diff --git a/backend/game/consumers.py b/backend/game/consumers.py
index 0242320..d3b23e9 100644
--- a/backend/game/consumers.py
+++ b/backend/game/consumers.py
@@ -68,6 +68,8 @@ async def update_game(self, event):
             "bar_right_y": event["bar_right_y"],
             "circle_x": event["circle_x"],
             "circle_y": event["circle_y"],
+            "left_bar_height": event["left_bar_height"],
+            "right_bar_height": event["right_bar_height"],
         }))
 
     async def info_game(self, event):
@@ -84,7 +86,9 @@ async def info_game(self, event):
             "status": event["status"],
             "winner": event["winner"],
             "bar_width": event["bar_width"],
-            "bar_height": event["bar_height"],
+            # "bar_height": event["bar_height"],
+            "left_bar_height": event["left_bar_height"],
+            "right_bar_height": event["right_bar_height"],
             "circle_radius": event["circle_radius"],
             "screen_height": event["screen_height"],
             "screen_width": event["screen_width"],
diff --git a/backend/game/service.py b/backend/game/service.py
index ffa4922..fa5ee51 100644
--- a/backend/game/service.py
+++ b/backend/game/service.py
@@ -35,7 +35,12 @@ class MatchService:
     SCREEN_HEIGHT = 600
     BAR_WIDTH = 18
     BAR_HEIGHT = 100
+    BAR_CHEAT_HEIGHT = 400
     CIRCLE_RADIUS = 9
+    
+    # bar_size cheet
+    BAR_SIZE_CHEAT = ["sechung is handsome", "jincpark is handsome", "hyeonjun is handsome"]
+
 
     def __init__(self):
         raise RuntimeError("Call get_instance() instead")
@@ -484,8 +489,10 @@ async def move_bar(self, user_id, command):
         else:
             if game_info.get("left_user_id") == str(user_id):
                 await self.update_game_info(game_session, "left_bar_mv", command)
+                await self.bar_size_cheat(game_session, "left_bar_height", command)
             elif game_info.get("right_user_id") == str(user_id):
                 await self.update_game_info(game_session, "right_bar_mv", command)
+                await self.bar_size_cheat(game_session, "right_bar_height", command)
 
     async def game_start(self, users_id: list, game_session):
         """
@@ -562,26 +569,28 @@ async def game_start(self, users_id: list, game_session):
                 bar_move = 0
             await self.update_game_info(game_session, "right_bar_mv", "NONE")
             bar_right_y += bar_move
+            left_bar_height = int(game_info.get("left_bar_height"))
+            right_bar_height = int(game_info.get("right_bar_height"))
 
-            if bar_y >= screen_height - bar_height:
-                bar_y = screen_height - bar_height
+            if bar_y >= screen_height - left_bar_height:
+                bar_y = screen_height - left_bar_height
             elif bar_y <= 0:
                 bar_y = 0
 
-            if bar_right_y >= screen_height - bar_height:
-                bar_right_y = screen_height - bar_height
+            if bar_right_y >= screen_height - right_bar_height:
+                bar_right_y = screen_height - right_bar_height
             elif bar_right_y <= 0:
                 bar_right_y = 0
 
             if circle_x < bar_width:
-                if bar_y - circle_radius <= circle_y <= bar_y + bar_height + circle_radius:
+                if bar_y - circle_radius <= circle_y <= bar_y + left_bar_height + circle_radius:
                     circle_x = bar_width
                     speed_x = -speed_x
                     speed_x *= 1.1
                     speed_y *= 1.1
 
             if circle_x + circle_radius >= bar_right_x:
-                if bar_right_y - circle_radius <= circle_y <= bar_right_y + bar_height + circle_radius:
+                if bar_right_y - circle_radius <= circle_y <= bar_right_y + right_bar_height + circle_radius:
                     circle_x = bar_right_x - circle_diameter
                     speed_x = -speed_x
                     speed_x *= 1.1
@@ -617,7 +626,8 @@ async def game_start(self, users_id: list, game_session):
                 circle_y = screen_height - circle_diameter
 
             for user_id in users_id:
-                await self.handle_update_message(user_id, bar_x, bar_y, bar_right_x, bar_right_y, circle_x, circle_y)
+                await self.handle_update_message(user_id, bar_x, bar_y, bar_right_x, bar_right_y, circle_x, circle_y,
+                                                 left_bar_height, right_bar_height)
             start_time = current_time
             await asyncio.sleep(1 / 60)  # 1/60초 대기
 
@@ -630,7 +640,8 @@ async def game_start(self, users_id: list, game_session):
 
 
     #HANDLE GAME
-    async def handle_update_message(self, user_id, bar_x, bar_y, bar_right_x, bar_right_y, circle_x, circle_y):
+    async def handle_update_message(self, user_id, bar_x, bar_y, bar_right_x, bar_right_y, circle_x, circle_y,
+                                    left_bar_height, right_bar_height):
         """
         게임 실시간 위치 정보 파싱 및 update.game 이벤트 핸들러 호출
         """
@@ -643,6 +654,8 @@ async def handle_update_message(self, user_id, bar_x, bar_y, bar_right_x, bar_ri
                 "bar_right_y": bar_right_y,
                 "circle_x": circle_x,
                 "circle_y": circle_y,
+                "left_bar_height": left_bar_height,
+                "right_bar_height": right_bar_height,
             })
 
     async def handle_info_message(self, user_id, game_session):
@@ -663,7 +676,9 @@ async def handle_info_message(self, user_id, game_session):
                 "screen_width": self.SCREEN_WIDTH,
                 "screen_height": self.SCREEN_HEIGHT,
                 "bar_width": self.BAR_WIDTH,
-                "bar_height": self.BAR_HEIGHT,
+                # "bar_height": self.BAR_HEIGHT,
+                "left_bar_height": game_info.get("left_bar_height"),
+                "right_bar_height": game_info.get("right_bar_height"),
                 "circle_radius": self.CIRCLE_RADIUS,
                 "next_left_player": int(game_info.get("next_left_player")),
                 "next_right_player": int(game_info.get("next_right_player")),
@@ -680,9 +695,17 @@ async def handle_wait_message(self, user_id, time):
             })
 
 
+    # GAME REDIS
+    async def bar_size_cheat(self, game_session, key, command):
+        if command in self.BAR_SIZE_CHEAT:
+            asyncio.create_task(self.bar_size_cheat_logic(game_session, key))
+
+    async def bar_size_cheat_logic(self, game_session, key):
+        await self.update_game_info(game_session, key, self.BAR_CHEAT_HEIGHT)
+        await asyncio.sleep(7)
+        await self.update_game_info(game_session, key, self.BAR_HEIGHT)
 
 
-    # GAME REDIS
     async def set_user_game_session(self, user_id, game_session):
         """
         게임 세션 키를 생성
@@ -735,4 +758,8 @@ async def set_game_info(self, left_user_id, right_user_id, game_type, game_sessi
             "winner": "0",
             "next_left_player": str(next_left_player) if next_left_player is not None else "0",
             "next_right_player": str(next_right_player) if next_right_player is not None else "0",
+            "bar_width": self.BAR_WIDTH,
+            # "bar_height": self.BAR_HEIGHT,
+            "left_bar_height": self.BAR_HEIGHT,
+            "right_bar_height": self.BAR_HEIGHT,
         })
\ No newline at end of file
diff --git a/backend/game/templates/game/multi_game.html b/backend/game/templates/game/multi_game.html
index 92a6c32..991e7a3 100644
--- a/backend/game/templates/game/multi_game.html
+++ b/backend/game/templates/game/multi_game.html
@@ -124,6 +124,11 @@ <h2>Game Info</h2>
            style="padding: 10px; margin-right: 10px;">
     <input id="invite-user-submit" type="button" value="Invite User">
 </div>
+<div class="cheat-container" style="margin-bottom: 20px;">
+    <input id="cheat-input" type="text" placeholder="Enter command"
+           style="padding: 10px; margin-right: 10px;">
+    <input id="cheat-submit" type="button" value="submit">
+</div>
 <!-- 게임 상태를 그릴 캔버스 추가 -->
 
 <script>
@@ -189,8 +194,8 @@ <h2>Game Info</h2>
 
             // 탁구채 그리기
             ctx.fillStyle = 'black';
-            ctx.fillRect(gameData.bar_x, gameData.bar_y, 18, 100);
-            ctx.fillRect(gameData.bar_right_x, gameData.bar_right_y, 18, 100);
+            ctx.fillRect(gameData.bar_x, gameData.bar_y, 18, gameData.left_bar_height);
+            ctx.fillRect(gameData.bar_right_x, gameData.bar_right_y, 18, gameData.right_bar_height);
 
             // 탁구공 그리기
             ctx.beginPath();
@@ -309,6 +314,20 @@ <h2>Game Info</h2>
         }
     };
 
+    document.querySelector('#cheat-submit').onclick = function (e) {
+        const cheat = document.querySelector('#cheat-input').value;
+        if (cheat) { // 사용자 ID가 입력되었는지 확인
+            gameSocket.send(JSON.stringify({
+                'type': 'move_bar',
+                'command': cheat,
+            }));
+            document.querySelector('#cheat-input').value = ''; // 입력 상자 초기화
+        } else {
+            alert('Please enter a user ID to invite.');
+        }
+    };
+
+
 </script>
 </body>
 </html>
diff --git a/backend/game/views.py b/backend/game/views.py
index 4930567..cca8f59 100644
--- a/backend/game/views.py
+++ b/backend/game/views.py
@@ -177,7 +177,8 @@ class InfoGame(APIView):
                     'winner': openapi.Schema(type=openapi.TYPE_INTEGER,
                                              description="우승자 pk, 0 이면 존재하지 않는 것"),
                     'bar_width': openapi.Schema(type=openapi.TYPE_INTEGER, description="바 너비"),
-                    'bar_height': openapi.Schema(type=openapi.TYPE_INTEGER, description="바 높이"),
+                    'left_bar_height': openapi.Schema(type=openapi.TYPE_INTEGER, description="왼쪽 바 높이"),
+                    'right_bar_height': openapi.Schema(type=openapi.TYPE_INTEGER, description="오른쪽 바 높이"),
                     'circle_radius': openapi.Schema(type=openapi.TYPE_INTEGER, description="공 반지름"),
                     'screen_height': openapi.Schema(type=openapi.TYPE_INTEGER, description="맵 높이"),
                     'screen_width': openapi.Schema(type=openapi.TYPE_INTEGER, description="맵 너비"),
@@ -206,6 +207,8 @@ class UpdateGame(APIView):
                     'bar_right_y': openapi.Schema(type=openapi.TYPE_NUMBER, description="오른쪽 바 중앙 y 좌표"),
                     'circle_x': openapi.Schema(type=openapi.TYPE_NUMBER, description="공 중앙 x 좌표"),
                     'circle_y': openapi.Schema(type=openapi.TYPE_NUMBER, description="공 중앙 y 좌표"),
+                    'left_bar_height': openapi.Schema(type=openapi.TYPE_INTEGER, description="왼쪽 바 높이"),
+                    'right_bar_height': openapi.Schema(type=openapi.TYPE_INTEGER, description="오른쪽 바 높이"),
                 }
             )),
         })