diff --git a/fe-backend/module/apiQuery.js b/fe-backend/module/apiQuery.js
index a6beffe1..3e3430e5 100644
--- a/fe-backend/module/apiQuery.js
+++ b/fe-backend/module/apiQuery.js
@@ -10,7 +10,7 @@ const router = express.Router();
 // router.post("/registerUser", registerUser);
 router.post("/getApiInfo", getApiInfo);
 // router.post("/verifyToken", verifyToken);
-// router.post("/deleteUser", deleteUser);
+router.post("/deleteUser", deleteUser);
 
 async function getApiInfo(req, res) {
     let userEmail = req.body.email;
@@ -24,7 +24,7 @@ async function getApiInfo(req, res) {
             for (let item of result){
                 delete item.veri_code;
             }
-            
+
           return res
             .status(200)
             .json(
@@ -58,7 +58,24 @@ async function getApiInfo(req, res) {
     //       })
     //     );
     // });
-  }
+}
+
+async function deleteUser(req, res) {
+  let userEmail = req.body.email;
+  apiuser.deleteMany(
+    { user_email: userEmail },
+    (error, result) => {
+      if (error) {
+        console.log(error);
+      } else {
+        if (!result) {
+          res.json(new Res(false, "can't remove"));
+        }
+        res.json(new Res(true, "success remove"));
+      }
+    }
+  );
+}
+
 
-  
-module.exports = router;
\ No newline at end of file
+module.exports = router;
diff --git a/fe-backend/module/keepMyDocQuery.js b/fe-backend/module/keepMyDocQuery.js
index dbb24a20..bf8760dd 100755
--- a/fe-backend/module/keepMyDocQuery.js
+++ b/fe-backend/module/keepMyDocQuery.js
@@ -206,4 +206,22 @@ router.post("/getMyKeyword", (req, res) => {
     });
 });
 
+
+router.post("/deleteUser", (req, res) => {
+  let userEmail = req.body.email;
+  myDoc.deleteMany(
+    { userEmail: userEmail },
+    (error, result) => {
+      if (error) {
+        console.log(error);
+      } else {
+        if (!result) {
+          res.json(new Res(false, "can't remove"));
+        }
+        res.json(new Res(true, "success remove"));
+      }
+    }
+  );
+});
+
 module.exports = router;
diff --git a/fe-backend/module/textMiningQuery.js b/fe-backend/module/textMiningQuery.js
index 17209ac9..09e0474d 100644
--- a/fe-backend/module/textMiningQuery.js
+++ b/fe-backend/module/textMiningQuery.js
@@ -77,7 +77,7 @@ async function uploadDict(req, res) {
   async function getPreprocessedData(req, res) {
     let userEmail = req.body.userEmail;
     let savedDate = req.body.savedDate;
-    
+
     preprocessing
       .findOne(
         { $and : [ { 'userEmail' : userEmail }, { 'savedDate' : savedDate }] }
@@ -107,7 +107,7 @@ async function uploadDict(req, res) {
           .status(400)
           .json(new Res(false, "successfully saved doc HashKeys", null));
       });
-      
+
     /*
     preprocessing
       .findOne(
@@ -144,11 +144,11 @@ async function uploadDict(req, res) {
   }
 
   async function uploadChart(req, res) {
-    if(req.body.userEmail == null  || req.body.chartImg == null) 
+    if(req.body.userEmail == null  || req.body.chartImg == null)
     return res.status(400).json(
       new Res(false, "Request body does not exist",null)
     );
-  
+
     // console.log('req',req);
     // let doc = {
     //   'userEmail': req.body.userEmail,
@@ -196,7 +196,7 @@ async function getCharts(req, res) {
           new Res(true, "successfully loaded", result)
         );
     }else{
-      return res 
+      return res
         .status(400)
         .json(
           new Res(false, "no saved chart",null)
@@ -243,7 +243,7 @@ async function deleteCharts(req, res){
 async function getChartData(req, res){
   if(req.body.activity === 'tfidf'){
     tfidf.findOne(
-      { $and: [{ userEmail: req.body.userEmail }, { analysisDate: req.body.analysisDate}] } 
+      { $and: [{ userEmail: req.body.userEmail }, { analysisDate: req.body.analysisDate}] }
     ).then((result) => {
       if(result){
         return res
@@ -268,7 +268,7 @@ async function getChartData(req, res){
     });
   }else if(req.body.activity === "count"){
     count.findOne(
-      { $and: [{ userEmail: req.body.userEmail }, { analysisDate: req.body.analysisDate}] } 
+      { $and: [{ userEmail: req.body.userEmail }, { analysisDate: req.body.analysisDate}] }
 
     ).then((result) => {
       if(result){
@@ -294,7 +294,7 @@ async function getChartData(req, res){
     });
   }else if(req.body.activity === "kmeans"){
     kmeans.findOne(
-      { $and: [{ userEmail: req.body.userEmail }, { analysisDate: req.body.analysisDate}] } 
+      { $and: [{ userEmail: req.body.userEmail }, { analysisDate: req.body.analysisDate}] }
 
     ).then((result) => {
       if(result){
@@ -320,7 +320,7 @@ async function getChartData(req, res){
     });
   }else if(req.body.activity === "network"){
     network.findOne(
-      { $and: [{ userEmail: req.body.userEmail }, { analysisDate: req.body.analysisDate}] } 
+      { $and: [{ userEmail: req.body.userEmail }, { analysisDate: req.body.analysisDate}] }
 
     ).then((result) => {
       if(result){
@@ -346,7 +346,7 @@ async function getChartData(req, res){
     });
   }else if(req.body.activity === "ngrams"){
     ngrams.findOne(
-      { $and: [{ userEmail: req.body.userEmail }, { analysisDate: req.body.analysisDate}] } 
+      { $and: [{ userEmail: req.body.userEmail }, { analysisDate: req.body.analysisDate}] }
 
     ).then((result) => {
       if(result){
@@ -372,7 +372,7 @@ async function getChartData(req, res){
     });
   }else if(req.body.activity === "hcluster"){
     hcluster.findOne(
-      { $and: [{ userEmail: req.body.userEmail }, { analysisDate: req.body.analysisDate}] } 
+      { $and: [{ userEmail: req.body.userEmail }, { analysisDate: req.body.analysisDate}] }
 
     ).then((result) => {
       if(result){
@@ -398,7 +398,7 @@ async function getChartData(req, res){
     });
   }else if(req.body.activity === "word2vec"){
     word2vec.findOne(
-      { $and: [{ userEmail: req.body.userEmail }, { analysisDate: req.body.analysisDate}] } 
+      { $and: [{ userEmail: req.body.userEmail }, { analysisDate: req.body.analysisDate}] }
 
     ).then((result) => {
       if(result){
@@ -424,7 +424,7 @@ async function getChartData(req, res){
     });
   }else if(req.body.activity === "topicLDA"){
     topicLDA.findOne(
-      { $and: [{ userEmail: req.body.userEmail }, { analysisDate: req.body.analysisDate}] } 
+      { $and: [{ userEmail: req.body.userEmail }, { analysisDate: req.body.analysisDate}] }
 
     ).then((result) => {
       if(result){
@@ -451,6 +451,191 @@ async function getChartData(req, res){
   }
 }
 
+router.post("/deleteCount", (req, res) => {
+  let userEmail = req.body.email;
+  count.deleteMany(
+    { userEmail: userEmail },
+    (error, result) => {
+      if (error) {
+        console.log(error);
+      } else {
+        if (!result) {
+          res.json(new Res(false, "can't remove"));
+        }
+        res.json(new Res(true, "success remove"));
+      }
+    }
+  );
+});
+
+router.post("/deleteHcluster", (req, res) => {
+  let userEmail = req.body.email;
+  hcluster.deleteMany(
+    { userEmail: userEmail },
+    (error, result) => {
+      if (error) {
+        console.log(error);
+      } else {
+        if (!result) {
+          res.json(new Res(false, "can't remove"));
+        }
+        res.json(new Res(true, "success remove"));
+      }
+    }
+  );
+});
+
+router.post("/deleteKmeans", (req, res) => {
+  let userEmail = req.body.email;
+  kmeans.deleteMany(
+    { userEmail: userEmail },
+    (error, result) => {
+      if (error) {
+        console.log(error);
+      } else {
+        if (!result) {
+          res.json(new Res(false, "can't remove"));
+        }
+        res.json(new Res(true, "success remove"));
+      }
+    }
+  );
+});
+
+router.post("/deleteMyAnalysis", (req, res) => {
+  let userEmail = req.body.email;
+  myAnalysis.deleteMany(
+    { userEmail: userEmail },
+    (error, result) => {
+      if (error) {
+        console.log(error);
+      } else {
+        if (!result) {
+          res.json(new Res(false, "can't remove"));
+        }
+        res.json(new Res(true, "success remove"));
+      }
+    }
+  );
+});
+
+router.post("/deleteNetwork", (req, res) => {
+  let userEmail = req.body.email;
+  network.deleteMany(
+    { userEmail: userEmail },
+    (error, result) => {
+      if (error) {
+        console.log(error);
+      } else {
+        if (!result) {
+          res.json(new Res(false, "can't remove"));
+        }
+        res.json(new Res(true, "success remove"));
+      }
+    }
+  );
+});
+
+router.post("/deleteNgrams", (req, res) => {
+  let userEmail = req.body.email;
+  ngrams.deleteMany(
+    { userEmail: userEmail },
+    (error, result) => {
+      if (error) {
+        console.log(error);
+      } else {
+        if (!result) {
+          res.json(new Res(false, "can't remove"));
+        }
+        res.json(new Res(true, "success remove"));
+      }
+    }
+  );
+});
+
+router.post("/deletePreprocessing", (req, res) => {
+  let userEmail = req.body.email;
+  preprocessing.deleteMany(
+    { userEmail: userEmail },
+    (error, result) => {
+      if (error) {
+        console.log(error);
+      } else {
+        if (!result) {
+          res.json(new Res(false, "can't remove"));
+        }
+        res.json(new Res(true, "success remove"));
+      }
+    }
+  );
+});
+
+router.post("/deleteTfidf", (req, res) => {
+  let userEmail = req.body.email;
+  tfidf.deleteMany(
+    { userEmail: userEmail },
+    (error, result) => {
+      if (error) {
+        console.log(error);
+      } else {
+        if (!result) {
+          res.json(new Res(false, "can't remove"));
+        }
+        res.json(new Res(true, "success remove"));
+      }
+    }
+  );
+});
+
+router.post("/deleteTopicLDA", (req, res) => {
+  let userEmail = req.body.email;
+  topicLDA.deleteMany(
+    { userEmail: userEmail },
+    (error, result) => {
+      if (error) {
+        console.log(error);
+      } else {
+        if (!result) {
+          res.json(new Res(false, "can't remove"));
+        }
+        res.json(new Res(true, "success remove"));
+      }
+    }
+  );
+});
+
+router.post("/deleteUserDic", (req, res) => {
+  let userEmail = req.body.email;
+  usersDict.deleteMany(
+    { userEmail: userEmail },
+    (error, result) => {
+      if (error) {
+        console.log(error);
+      } else {
+        if (!result) {
+          res.json(new Res(false, "can't remove"));
+        }
+        res.json(new Res(true, "success remove"));
+      }
+    }
+  );
+});
+
+router.post("/deleteWord2vec", (req, res) => {
+  let userEmail = req.body.email;
+  word2vec.deleteMany(
+    { userEmail: userEmail },
+    (error, result) => {
+      if (error) {
+        console.log(error);
+      } else {
+        if (!result) {
+          res.json(new Res(false, "can't remove"));
+        }
+        res.json(new Res(true, "success remove"));
+      }
+    }
+  );
+});
 
 module.exports = router;
-  
\ No newline at end of file
diff --git a/fe-backend/module/userAuthQuery.js b/fe-backend/module/userAuthQuery.js
index 3f5c7e08..a659cadf 100755
--- a/fe-backend/module/userAuthQuery.js
+++ b/fe-backend/module/userAuthQuery.js
@@ -116,40 +116,6 @@ async function getUserInfo(req, res) {
   });
 }
 
-async function deleteUser(req, res) {
-  let userEmail = req.body.email;
-  let userId;
-  console.log("email", userEmail);
-  User.findOne({ email: userEmail })
-    .then((result) => {
-      userId = result["_id"];
-      if (result) {
-        User.deleteOne({ email: userEmail }).then((deleteResult) => {
-          if (deleteResult) {
-            UserStatus.updateOne(
-              { userId: userId },
-              {
-                modifiedDate: moment(),
-                isActive: false,
-              }
-            )
-              .then((result) => {
-                console.log(result);
-                return res.status(200).json(new Res(true, "deletion succ"));
-              })
-              .catch((err) => {
-                console.log(err);
-                return res.status(400).json(new Res(false, "deletion Failed"));
-              });
-          }
-        });
-      }
-    })
-    .catch((error) => {
-      console.log(error);
-    });
-}
-
 router.post("/apiRegister", (req, res) => {
   let userEmail = req.body.payload;
 
@@ -171,4 +137,21 @@ router.post("/apiRegister", (req, res) => {
   );
 });
 
+async function deleteUser(req, res) {
+  let userEmail = req.body.email;
+  User.deleteMany(
+    { email: userEmail },
+    (error, result) => {
+      if (error) {
+        console.log(error);
+      } else {
+        if (!result) {
+          res.json(new Res(false, "can't remove"));
+        }
+        res.json(new Res(true, "success remove"));
+      }
+    }
+  );
+}
+
 module.exports = router;
diff --git a/src/app/core/services/authentication-service/authentication.service.ts b/src/app/core/services/authentication-service/authentication.service.ts
index 92db15c3..a06a3eac 100755
--- a/src/app/core/services/authentication-service/authentication.service.ts
+++ b/src/app/core/services/authentication-service/authentication.service.ts
@@ -222,19 +222,121 @@ export class AuthenticationService {
    * @returns Deleting result.
    */
   async deleteUser(): Promise<boolean> {
+    let email = this.currentUser.email;
+    console.log('remove this user : ',email);
+    //delete user information - DB : user, collection : users
     let userDeleteRes: QueryResponse = await this.httpClient
       .post<any>(`${this.API_URL}/users/deleteUser`, {
-        email: this.currentUser.email,
+        email: email,
+      })
+      .toPromise();
+
+    //delete api user information - DB : user, collection : apiUser
+    let apiUserDeleteRes: QueryResponse = await this.httpClient
+      .post<any>(`${this.API_URL}/api/deleteUser`, {
+        email: email,
+      })
+      .toPromise();
+
+    //delete mydocs information - DB : user, collection : mydocs
+    let keepMydocsDeleteRes: QueryResponse = await this.httpClient
+      .post<any>(`${this.API_URL}/myDoc/deleteUser`, {
+        email: email,
+      })
+      .toPromise();
+
+    //delete user's analysis data  - DB : textMining, collection : myAnalysis
+    let textMiningDeleteMyAnalysisRes: QueryResponse = await this.httpClient
+      .post<any>(`${this.API_URL}/textmining/deleteMyAnalysis`, {
+        email: email,
       })
       .toPromise();
-    let myDocDeleteRes: QueryResponse = await this.httpClient
-      .post<any>(`${this.API_URL}/myDoc/deleteAllMyDocs`, {
-        userEmail: this.currentUser.email,
+
+    //delete user's analysis data  - DB : textMining, collection : count
+    let textMiningDeleteCountRes: QueryResponse = await this.httpClient
+      .post<any>(`${this.API_URL}/textmining/deleteCount`, {
+        email: email,
+      })
+      .toPromise();
+
+    //delete user's analysis data  - DB : textMining, collection : Hcluster
+    let textMiningDeleteHclusterRes: QueryResponse = await this.httpClient
+      .post<any>(`${this.API_URL}/textmining/deleteHcluster`, {
+        email: email,
+      })
+      .toPromise();
+
+    //delete user's analysis data  - DB : textMining, collection : Kmeans
+    let textMiningDeleteKmeansRes: QueryResponse = await this.httpClient
+      .post<any>(`${this.API_URL}/textmining/deleteKmeans`, {
+        email: email,
+      })
+      .toPromise();
+
+    //delete user's analysis data  - DB : textMining, collection : Network
+    let textMiningDeleteNetworkRes: QueryResponse = await this.httpClient
+      .post<any>(`${this.API_URL}/textmining/deleteNetwork`, {
+        email: email,
+      })
+      .toPromise();
+
+    //delete user's analysis data  - DB : textMining, collection : Ngrams
+    let textMiningDeleteNgramsRes: QueryResponse = await this.httpClient
+      .post<any>(`${this.API_URL}/textmining/deleteNgrams`, {
+        email: email,
+      })
+      .toPromise();
+
+    //delete user's analysis data  - DB : textMining, collection : Preprocessing
+    let textMiningDeletePreprocessingRes: QueryResponse = await this.httpClient
+      .post<any>(`${this.API_URL}/textmining/deletePreprocessing`, {
+        email: email,
+      })
+      .toPromise();
+
+    //delete user's analysis data  - DB : textMining, collection : Tfidf
+    let textMiningDeleteTfidfRes: QueryResponse = await this.httpClient
+      .post<any>(`${this.API_URL}/textmining/deleteTfidf`, {
+        email: email,
+      })
+      .toPromise();
+
+    //delete user's analysis data  - DB : textMining, collection : TopicLDA
+    let textMiningDeleteTopicLDARes: QueryResponse = await this.httpClient
+      .post<any>(`${this.API_URL}/textmining/deleteTopicLDA`, {
+        email: email,
+      })
+      .toPromise();
+
+    //delete user's analysis data  - DB : textMining, collection : UserDic
+    let textMiningDeleteUserDicRes: QueryResponse = await this.httpClient
+      .post<any>(`${this.API_URL}/textmining/deleteUserDic`, {
+        email: email,
+      })
+      .toPromise();
+
+    //delete user's analysis data  - DB : textMining, collection : Word2vec
+    let textMiningDeleteWord2vecRes: QueryResponse = await this.httpClient
+      .post<any>(`${this.API_URL}/textmining/deleteWord2vec`, {
+        email: email,
       })
       .toPromise();
 
     return (
-      userDeleteRes.isSuccess === true && myDocDeleteRes.isSuccess === true
+      userDeleteRes.isSuccess === true &&
+      keepMydocsDeleteRes.isSuccess === true &&
+      textMiningDeleteMyAnalysisRes.isSuccess === true &&
+      textMiningDeleteCountRes.isSuccess === true &&
+      apiUserDeleteRes.isSuccess === true &&
+      textMiningDeleteHclusterRes.isSuccess === true &&
+      textMiningDeleteKmeansRes.isSuccess === true &&
+      textMiningDeleteNetworkRes.isSuccess === true &&
+      textMiningDeleteNgramsRes.isSuccess === true &&
+      textMiningDeletePreprocessingRes.isSuccess === true &&
+      textMiningDeleteTfidfRes.isSuccess === true &&
+      textMiningDeleteTopicLDARes.isSuccess === true &&
+      textMiningDeleteUserDicRes.isSuccess === true &&
+      textMiningDeleteWord2vecRes.isSuccess === true
     );
   }
 }
diff --git a/src/app/features/search-result/components/keyword-analysis/keyword-analysis.component.html b/src/app/features/search-result/components/keyword-analysis/keyword-analysis.component.html
index 55fa18cf..3067dc34 100644
--- a/src/app/features/search-result/components/keyword-analysis/keyword-analysis.component.html
+++ b/src/app/features/search-result/components/keyword-analysis/keyword-analysis.component.html
@@ -7,9 +7,9 @@ <h1>키워드 분석</h1>
       <div class="save-graph-button"></div>
     </div>
     <span class ="inputs">
-      <input class="input_month" type="month" id="start_month" min="2022-01" max="{{ getCurrentYearMonth }}" value="{{ getCurrentYearMonth }}">
+      <input class="input_month" type="month" id="startMonth" max="{{ getCurrentYearMonth }}" value="{{ getBeforeSixMonthYearMonth }}" (change)="setDatePickerStartYearMonth($event)">
       <span class = "from-to"> ~ </span>
-      <input class="input_month" type="month" id="end_month" min="2022-01" max="{{ getCurrentYearMonth }}" value="{{ getCurrentYearMonth }}">
+      <input class="input_month" type="month" id="endMonth" max="{{ getCurrentYearMonth }}" value="{{ getCurrentYearMonth }}" (change)="setDatePickerEndYearMonth($event)">
       <button class="_button" id="year_button" (click)="year_clicked()">{{'search-result.yearly'|translate}}</button>
       <button class="_button" id="month_button" (click)="month_clicked()" autofocus>{{'search-result.monthly'|translate}}</button>
       <button class="analysis_button" (click)="updateChart()">{{'analysis.startAnalysis'|translate}}</button>
diff --git a/src/app/features/search-result/components/keyword-analysis/keyword-analysis.component.ts b/src/app/features/search-result/components/keyword-analysis/keyword-analysis.component.ts
index ccb362eb..3777592c 100644
--- a/src/app/features/search-result/components/keyword-analysis/keyword-analysis.component.ts
+++ b/src/app/features/search-result/components/keyword-analysis/keyword-analysis.component.ts
@@ -14,6 +14,7 @@ export class KeywordAnalysisComponent implements OnInit, OnDestroy {
   private searchSubscriber: Subscription;
   private searchKeyword: string;
   private currentYearMonth: string;
+  private beforeSizYearMonth: string;
   private startYearMonth: string;
   private endYearMonth: string;
   private per: string;
@@ -59,12 +60,23 @@ export class KeywordAnalysisComponent implements OnInit, OnDestroy {
     var current = new Date();
     var year = current.getFullYear();
     var c_month = current.getMonth() + 1;
+
+    var beforeSix = new Date(current.setMonth(current.getMonth() -6));
+    var beforeSixyear = beforeSix.getFullYear();
+    var beforeSix_month = beforeSix.getMonth() +2;
+
     if(c_month < 10) {
       this.currentYearMonth = "" + year + "-0" +  c_month;
+      this.beforeSizYearMonth = "" + beforeSixyear + "-0" +  beforeSix_month;
     }
     else {
       this.currentYearMonth = "" + year + "-" +  c_month;
+      this.beforeSizYearMonth = "" + beforeSixyear + "-" +  beforeSix_month;
     }
+
+    this.startYearMonth = this.beforeSizYearMonth;
+    this.endYearMonth = this.currentYearMonth;
+
   }
 
   year_clicked() {
@@ -73,8 +85,6 @@ export class KeywordAnalysisComponent implements OnInit, OnDestroy {
     yb.style.background="lightgrey";
     mb.style.background="transparent";
 
-    this.startYearMonth = (<HTMLInputElement>document.getElementById("start_month")).value;
-    this.endYearMonth = (<HTMLInputElement>document.getElementById("end_month")).value;
     this.per = "year";
   }
 
@@ -84,8 +94,6 @@ export class KeywordAnalysisComponent implements OnInit, OnDestroy {
     mb.style.background="lightgrey";
     yb.style.background="transparent";
 
-    this.startYearMonth = (<HTMLInputElement>document.getElementById("start_month")).value;
-    this.endYearMonth = (<HTMLInputElement>document.getElementById("end_month")).value;
     this.per = "month";
   }
 
@@ -108,13 +116,20 @@ export class KeywordAnalysisComponent implements OnInit, OnDestroy {
         tmpYear = year;
       }
     }
-    console.log(yearData)
     return yearData;
   }
 
+  setDatePickerStartYearMonth(e) {
+    this.startYearMonth = e.target.value;
+  }
+
+  setDatePickerEndYearMonth(e) {
+    this.endYearMonth = e.target.value;
+  }
+
   async updateChart(){
-    this.startYearMonth = (<HTMLInputElement>document.getElementById("start_month")).value;
-    this.endYearMonth = (<HTMLInputElement>document.getElementById("end_month")).value;
+    // console.log('update chart startYearMonth : '+this.startYearMonth);
+    // console.log('update chart endYearMonth : '+this.endYearMonth);
 
 //     var dataPerYear = await this.updateData(this.startYearMonth, this.endYearMonth);
     var dataPerMonth = await this.updateData(this.startYearMonth, this.endYearMonth);
@@ -216,33 +231,45 @@ export class KeywordAnalysisComponent implements OnInit, OnDestroy {
   }
 
   async updateData(start, end) {
-    var searchHistory = [];
-    var month = [3,4,5,6,7,8,9,10,11,12,1,2,3,4,5,6,7];
-    var cnt = [];
-    var s_idx = -1;
-    var e_idx = -1;
-    for(var i = 5 ; i < 17; i++){
-      if(month[i] == +start.split("-")[1]) {
-        s_idx = i;
-      }
-      if(month[i] == +end.split("-")[1]) {
-        e_idx = i;
-      }
+    var startDate = new Date(start);
+    var endDate = new Date(end);
+    if(startDate > endDate){
+      console.log("DATE_ERROR");
     }
-    if(s_idx == -1 || e_idx == -1){
-      console.log("IDX_ERROR");
+
+    var monthDifference = -1;
+    var month = []
+    var year = []
+
+    var interval = endDate.valueOf() - startDate.valueOf();
+    var monthValue = 1000*60*60*24*30;
+    var monthDifference = Math.floor(interval/monthValue) + 1;
+
+    var startYear = +start.split("-")[0]
+    var startMonth = +start.split("-")[1]
+
+    for(i = monthDifference; i > 0; i--){
+      if(startMonth == 13){
+        startYear++;
+        startMonth = 1;
+      }
+      year.push(startYear);
+      month.push(startMonth++);
     }
-    for(var i = s_idx; i <= e_idx; i ++){
-      var m;
-      var y = start.split("-")[0];
 
-      if(month[i] < 10){
-        m = "0" + month[i];
+    var searchHistory = [];
+
+    for(var i = 0; i < month.length; i++){
+      var y = year[i];
+      var m = month[i];
+
+      if(m < 10){
+        m = "0" + m;
       }
       else {
-        m = "" + month[i];
+        m = "" + m;
       }
-      //search_log-<year>.<month>
+
       var index = "search_log-" + y + "." + m;
       var count;
       try {
@@ -255,13 +282,8 @@ export class KeywordAnalysisComponent implements OnInit, OnDestroy {
         const hist = {date: "" + y + "." + m, freq: 0};
         searchHistory.push(hist);
       }
-
-      if(month[i] > month[i - 1]){
-              y = +y;
-              y = y + 1;
-      }
     }
-    console.log("search history");
+
     return searchHistory;
   }
 
@@ -272,6 +294,10 @@ export class KeywordAnalysisComponent implements OnInit, OnDestroy {
   public get getCurrentYearMonth(): string {
       return this.currentYearMonth;
   }
+
+  public get getBeforeSixMonthYearMonth(): string {
+    return this.beforeSizYearMonth;
+  }
 }
 
 
diff --git a/src/app/features/userpage/components/secession/secession.component.html b/src/app/features/userpage/components/secession/secession.component.html
index 86b33bba..b21651b3 100644
--- a/src/app/features/userpage/components/secession/secession.component.html
+++ b/src/app/features/userpage/components/secession/secession.component.html
@@ -2,9 +2,17 @@
   <div>
     <h1>{{'userpage.guideForrmAccount'|translate}}</h1>
     <br />
-    <p>{{'userpage.rmAccountInfo'|translate}}</p>
-    <p>{{'userpage.surermAccount'|translate}}</p>
-
-    <button class="button" (click)="secession()">{{'navbar.rmAccount' | translate}}</button>
+<!--    <p>{{'userpage.rmAccountInfo'|translate}}</p>-->
+    <p>{{'userpage.rmAccountInfo'|translate}}<br>
+      {{'userpage.rmAccountInfo-1'|translate}}<br><br>
+      ॰ {{'userpage.rmAccountInfo-2'|translate}} <br>
+      ॰ {{'userpage.rmAccountInfo-3'|translate}} <br>
+      ॰ {{'userpage.rmAccountInfo-4'|translate}} <br>
+      ॰ {{'userpage.rmAccountInfo-5'|translate}} <br>
+      ॰ {{'userpage.rmAccountInfo-6'|translate}}  <br>
+    </p>
+    <a class="btn-container">
+      <button class="button" (click)="deleteUser()">{{'navbar.rmAccount' | translate}}</button>
+    </a>
   </div>
 </div>
diff --git a/src/app/features/userpage/components/secession/secession.component.less b/src/app/features/userpage/components/secession/secession.component.less
index adc957e9..b5425b61 100644
--- a/src/app/features/userpage/components/secession/secession.component.less
+++ b/src/app/features/userpage/components/secession/secession.component.less
@@ -17,6 +17,11 @@
     height          : 35px;
 }
 
+.btn-container{
+  display: flex;
+  justify-content: space-around;
+}
+
 @media all and (max-width: 768px){
   .button {
     margin     : 0px;
diff --git a/src/app/features/userpage/components/secession/secession.component.ts b/src/app/features/userpage/components/secession/secession.component.ts
index c790e5e4..8a54016a 100644
--- a/src/app/features/userpage/components/secession/secession.component.ts
+++ b/src/app/features/userpage/components/secession/secession.component.ts
@@ -1,4 +1,5 @@
 import { Component, OnInit } from '@angular/core';
+import {AuthenticationService} from '../../../../core/services/authentication-service/authentication.service';
 
 @Component({
   selector: 'app-secession',
@@ -7,13 +8,25 @@ import { Component, OnInit } from '@angular/core';
 })
 export class SecessionComponent implements OnInit {
 
-  constructor() { }
+  constructor(
+    private authService: AuthenticationService
+  ) { }
 
   ngOnInit(): void {
   }
 
-  secession() {
-    
+  async deleteUser() {
+    if(confirm("삭제된 데이터는 되돌려 드리지 않습니다.\n정말 탈퇴하시겠습니까?") == true){
+
+      let res = await this.authService.deleteUser();
+      if (res) {
+        alert("탈퇴가 완료되었습니다.");
+      }
+      else {
+        alert("다시 시도해주세요.");
+      }
+      this.authService.signOut();
+    }
   }
 
 }
diff --git a/src/assets/i18n/en.json b/src/assets/i18n/en.json
index de25b31e..014a3a81 100644
--- a/src/assets/i18n/en.json
+++ b/src/assets/i18n/en.json
@@ -338,7 +338,13 @@
     "institution:": "Institution: ",
     "EditFolder": "Edit Folder",
     "guideForrmAccount": "Guide for Removing Account",
-    "rmAccountInfo": "After removing your account, all your personal information and service records will be deleted",
+    "rmAccountInfo": "After removing your account, all your personal information and service records will be deleted, and the information is not restored.",
+    "rmAccountInfo-1": "The information to be deleted is as follows.",
+    "rmAccountInfo-2": "Privacy Policy",
+    "rmAccountInfo-3": "My Documents Data",
+    "rmAccountInfo-4": "My Analysis Data",
+    "rmAccountInfo-5": "Q&A",
+    "rmAccountInfo-6": "Open Api History",
     "surermAccount": "Are you sure you want to remove your account?",
 
     "type" : "Type of Analysis: ",
diff --git a/src/assets/i18n/ko.json b/src/assets/i18n/ko.json
index 003b6d26..fc390f3d 100644
--- a/src/assets/i18n/ko.json
+++ b/src/assets/i18n/ko.json
@@ -340,7 +340,13 @@
     "institution:": "기관 : ",
     "EditFolder": "폴더편집",
     "guideForrmAccount": "탈퇴안내",
-    "rmAccountInfo": "탈퇴 후 회원정보 및 개인형 서비스 이용기록은 삭제됩니다.",
+    "rmAccountInfo": "탈퇴 후 회원정보 및 개인형 서비스 이용기록은 삭제되며, 되돌려드리지 않습니다.",
+    "rmAccountInfo-1": "삭제되는 내용은 아래와 같습니다.",
+    "rmAccountInfo-2": "회원정보",
+    "rmAccountInfo-3": "내 보관함 데이터",
+    "rmAccountInfo-4": "내 분석함 데이터",
+    "rmAccountInfo-5": "Q&A 작성글",
+    "rmAccountInfo-6": "Open Api 사용 이력",
     "surermAccount": "정말 탈퇴하시겠습니까?",
 
     "type" : "분석 유형: ",