diff --git a/npm/ng-packs/packages/schematics/src/collection.json b/npm/ng-packs/packages/schematics/src/collection.json
index 8441a786b08..16f148d78a1 100644
--- a/npm/ng-packs/packages/schematics/src/collection.json
+++ b/npm/ng-packs/packages/schematics/src/collection.json
@@ -29,6 +29,12 @@
       "description": "ABP Create Library Schematics",
       "factory": "./commands/create-lib",
       "schema": "./commands/create-lib/schema.json"
+    },
+    "change-theme": {
+      "description": "ABP Change Styles of Theme Schematics",
+      "factory": "./commands/change-theme",
+      "schema": "./commands/change-theme/schema.json"
+
     }
   }
 }
diff --git a/npm/ng-packs/packages/schematics/src/commands/change-theme/index.ts b/npm/ng-packs/packages/schematics/src/commands/change-theme/index.ts
new file mode 100644
index 00000000000..22f32be3531
--- /dev/null
+++ b/npm/ng-packs/packages/schematics/src/commands/change-theme/index.ts
@@ -0,0 +1,85 @@
+import { Rule, SchematicContext, SchematicsException, Tree } from '@angular-devkit/schematics';
+import { isLibrary, updateWorkspace, WorkspaceDefinition } from '../../utils';
+import { allStyles, styleMap } from './style-map';
+import { ProjectDefinition } from '@angular-devkit/core/src/workspace';
+import { JsonArray, JsonValue } from '@angular-devkit/core';
+import { ChangeThemeOptions } from './model';
+import { ThemeOptionsEnum } from './theme-options.enum';
+
+export default function (_options: ChangeThemeOptions): Rule {
+  return async (_: Tree, __: SchematicContext) => {
+    const targetThemeName = _options.name;
+    const selectedProject = _options.targetProject;
+    if (!targetThemeName) {
+      throw new SchematicsException('The theme name does not selected');
+    }
+
+    return updateWorkspace(storedWorkspace => {
+      updateProjectStyle(selectedProject, storedWorkspace, targetThemeName);
+    });
+  };
+}
+
+function updateProjectStyle(
+  projectName: string,
+  workspace: WorkspaceDefinition,
+  targetThemeName: ThemeOptionsEnum,
+) {
+  const project = workspace.projects.get(projectName);
+
+  if (!project) {
+    throw new SchematicsException('The target project does not selected');
+  }
+
+  const isProjectLibrary = isLibrary(project);
+  if (isProjectLibrary) {
+    throw new SchematicsException('The library project does not supported');
+  }
+
+  const targetOption = getProjectTargetOptions(project, 'build');
+  const styles = targetOption.styles as (string | { input: string })[];
+
+  const sanitizedStyles = removeThemeBasedStyles(styles);
+
+  const newStyles = styleMap.get(targetThemeName);
+  if (!newStyles) {
+    throw new SchematicsException('The theme does not found');
+  }
+  targetOption.styles = [...newStyles, ...sanitizedStyles] as JsonArray;
+}
+
+export function getProjectTargetOptions(
+  project: ProjectDefinition,
+  buildTarget: string,
+): Record<string, JsonValue | undefined> {
+  const options = project.targets?.get(buildTarget)?.options;
+
+  if (!options) {
+    throw new SchematicsException(
+      `Cannot determine project target configuration for: ${buildTarget}.`,
+    );
+  }
+
+  return options;
+}
+
+export function removeThemeBasedStyles(styles: (string | object)[]) {
+  return styles.filter(s => !allStyles.some(x => styleCompareFn(s, x)));
+}
+
+export const styleCompareFn = (item1: string | object, item2: string | object) => {
+  const type1 = typeof item1;
+  const type2 = typeof item1;
+
+  if (type1 !== type2) {
+    return false;
+  }
+
+  if (type1 === 'string') {
+    return item1 === item2;
+  }
+  const o1 = item1 as { bundleName?: string };
+  const o2 = item2 as { bundleName?: string };
+
+  return o1.bundleName && o2.bundleName && o1.bundleName == o2.bundleName;
+};
diff --git a/npm/ng-packs/packages/schematics/src/commands/change-theme/model.ts b/npm/ng-packs/packages/schematics/src/commands/change-theme/model.ts
new file mode 100644
index 00000000000..ca553c50c71
--- /dev/null
+++ b/npm/ng-packs/packages/schematics/src/commands/change-theme/model.ts
@@ -0,0 +1,6 @@
+import { ThemeOptionsEnum } from './theme-options.enum';
+
+export type ChangeThemeOptions = {
+  name: ThemeOptionsEnum;
+  targetProject: string;
+};
diff --git a/npm/ng-packs/packages/schematics/src/commands/change-theme/schema.json b/npm/ng-packs/packages/schematics/src/commands/change-theme/schema.json
new file mode 100644
index 00000000000..6eb6bc71a5c
--- /dev/null
+++ b/npm/ng-packs/packages/schematics/src/commands/change-theme/schema.json
@@ -0,0 +1,37 @@
+{
+  "$schema": "http://json-schema.org/schema",
+  "$id": "SchematicsABPThemeChanger",
+  "title": "ABP Theme Style Generator API Schema",
+  "type": "object",
+  "properties": {
+    "name": {
+      "description": "The name of theme will change.",
+      "type": "number",
+      "$default": {
+        "$source": "argv",
+        "index": 0
+      },
+      "enum": [1, 2, 3, 4],
+      "x-prompt": {
+        "message": "Which theme would you like to use?",
+        "type": "list",
+        "items": [
+          { "value": 1, "label": "Basic" },
+          { "value": 2, "label": "Lepton" },
+          { "value": 3, "label": "LeptonXLite" },
+          { "value": 4, "label": "LeptonX" }
+        ]
+      }
+    },
+    "targetProject": {
+      "description": "The name of the project will change the style.The project type must be 'application'",
+      "type": "string",
+      "x-prompt": "Please enter the project name",
+      "$default": {
+        "$source": "argv",
+        "index": 1
+      }
+    }
+  },
+  "required": ["name"]
+}
diff --git a/npm/ng-packs/packages/schematics/src/commands/change-theme/style-map.ts b/npm/ng-packs/packages/schematics/src/commands/change-theme/style-map.ts
new file mode 100644
index 00000000000..aa5f17b21a7
--- /dev/null
+++ b/npm/ng-packs/packages/schematics/src/commands/change-theme/style-map.ts
@@ -0,0 +1,223 @@
+import { ThemeOptionsEnum } from './theme-options.enum';
+
+export type StyleDefinition =
+  | {
+      input: string;
+      inject: boolean;
+      bundleName: string;
+    }
+  | string;
+
+export const styleMap = new Map<ThemeOptionsEnum, StyleDefinition[]>();
+
+styleMap.set(ThemeOptionsEnum.Basic, [
+  {
+    input: 'node_modules/bootstrap/dist/css/bootstrap.rtl.min.css',
+    inject: false,
+    bundleName: 'bootstrap-rtl.min',
+  },
+  {
+    input: 'node_modules/bootstrap/dist/css/bootstrap.min.css',
+    inject: true,
+    bundleName: 'bootstrap-ltr.min',
+  },
+]);
+
+styleMap.set(ThemeOptionsEnum.Lepton, [
+  {
+    input: 'node_modules/@volo/abp.ng.theme.lepton/dist/global/styles/lepton1.min.css',
+    inject: false,
+    bundleName: 'lepton1',
+  },
+  {
+    input: 'node_modules/@volo/abp.ng.theme.lepton/dist/global/styles/lepton2.min.css',
+    inject: false,
+    bundleName: 'lepton2',
+  },
+  {
+    input: 'node_modules/@volo/abp.ng.theme.lepton/dist/global/styles/lepton3.min.css',
+    inject: false,
+    bundleName: 'lepton3',
+  },
+  {
+    input: 'node_modules/@volo/abp.ng.theme.lepton/dist/global/styles/lepton4.min.css',
+    inject: false,
+    bundleName: 'lepton4',
+  },
+  {
+    input: 'node_modules/@volo/abp.ng.theme.lepton/dist/global/styles/lepton5.min.css',
+    inject: false,
+    bundleName: 'lepton5',
+  },
+  {
+    input: 'node_modules/@volo/abp.ng.theme.lepton/dist/global/styles/lepton6.min.css',
+    inject: false,
+    bundleName: 'lepton6',
+  },
+  {
+    input: 'node_modules/@volo/abp.ng.theme.lepton/dist/global/styles/lepton1.rtl.min.css',
+    inject: false,
+    bundleName: 'lepton1.rtl',
+  },
+  {
+    input: 'node_modules/@volo/abp.ng.theme.lepton/dist/global/styles/lepton2.rtl.min.css',
+    inject: false,
+    bundleName: 'lepton2.rtl',
+  },
+  {
+    input: 'node_modules/@volo/abp.ng.theme.lepton/dist/global/styles/lepton3.rtl.min.css',
+    inject: false,
+    bundleName: 'lepton3.rtl',
+  },
+  {
+    input: 'node_modules/@volo/abp.ng.theme.lepton/dist/global/styles/lepton4.rtl.min.css',
+    inject: false,
+    bundleName: 'lepton4.rtl',
+  },
+  {
+    input: 'node_modules/@volo/abp.ng.theme.lepton/dist/global/styles/lepton5.rtl.min.css',
+    inject: false,
+    bundleName: 'lepton5.rtl',
+  },
+  {
+    input: 'node_modules/@volo/abp.ng.theme.lepton/dist/global/styles/lepton6.rtl.min.css',
+    inject: false,
+    bundleName: 'lepton6.rtl',
+  },
+]);
+styleMap.set(ThemeOptionsEnum.LeptonX, [
+  {
+    input: 'node_modules/@volosoft/ngx-lepton-x/assets/css/dark.css',
+    inject: false,
+    bundleName: 'dark',
+  },
+  {
+    input: 'node_modules/@volosoft/ngx-lepton-x/assets/css/light.css',
+    inject: false,
+    bundleName: 'light',
+  },
+  {
+    input: 'node_modules/@volosoft/ngx-lepton-x/assets/css/dim.css',
+    inject: false,
+    bundleName: 'dim',
+  },
+  {
+    input: 'node_modules/@volosoft/ngx-lepton-x/assets/css/bootstrap-dim.css',
+    inject: false,
+    bundleName: 'bootstrap-dim',
+  },
+  {
+    input: 'node_modules/@volosoft/ngx-lepton-x/assets/css/bootstrap-dark.css',
+    inject: false,
+    bundleName: 'bootstrap-dark',
+  },
+  {
+    input: 'node_modules/@volosoft/ngx-lepton-x/assets/css/bootstrap-light.css',
+    inject: false,
+    bundleName: 'bootstrap-light',
+  },
+  {
+    input: 'node_modules/@volosoft/ngx-lepton-x/assets/css/ng-bundle.css',
+    inject: false,
+    bundleName: 'ng-bundle',
+  },
+  {
+    input: 'node_modules/@volosoft/ngx-lepton-x/assets/css/side-menu/layout-bundle.css',
+    inject: false,
+    bundleName: 'layout-bundle',
+  },
+  {
+    input: 'node_modules/@volosoft/abp.ng.theme.lepton-x/assets/css/abp-bundle.css',
+    inject: false,
+    bundleName: 'abp-bundle',
+  },
+  {
+    input: 'node_modules/@volosoft/ngx-lepton-x/assets/css/dark.rtl.css',
+    inject: false,
+    bundleName: 'dark.rtl',
+  },
+  {
+    input: 'node_modules/@volosoft/ngx-lepton-x/assets/css/light.rtl.css',
+    inject: false,
+    bundleName: 'light.rtl',
+  },
+  {
+    input: 'node_modules/@volosoft/ngx-lepton-x/assets/css/dim.rtl.css',
+    inject: false,
+    bundleName: 'dim.rtl',
+  },
+  {
+    input: 'node_modules/@volosoft/ngx-lepton-x/assets/css/bootstrap-dim.rtl.css',
+    inject: false,
+    bundleName: 'bootstrap-dim.rtl',
+  },
+  {
+    input: 'node_modules/@volosoft/ngx-lepton-x/assets/css/bootstrap-dark.rtl.css',
+    inject: false,
+    bundleName: 'bootstrap-dark.rtl',
+  },
+  {
+    input: 'node_modules/@volosoft/ngx-lepton-x/assets/css/bootstrap-light.rtl.css',
+    inject: false,
+    bundleName: 'bootstrap-light.rtl',
+  },
+  {
+    input: 'node_modules/@volosoft/ngx-lepton-x/assets/css/ng-bundle.rtl.css',
+    inject: false,
+    bundleName: 'ng-bundle.rtl',
+  },
+  {
+    input: 'node_modules/@volosoft/ngx-lepton-x/assets/css/side-menu/layout-bundle.rtl.css',
+    inject: false,
+    bundleName: 'layout-bundle.rtl',
+  },
+  {
+    input: 'node_modules/@volosoft/abp.ng.theme.lepton-x/assets/css/abp-bundle.rtl.css',
+    inject: false,
+    bundleName: 'abp-bundle.rtl',
+  },
+]);
+styleMap.set(ThemeOptionsEnum.LeptonXLite, [
+  {
+    input: 'node_modules/@volo/ngx-lepton-x.lite/assets/css/bootstrap-dim.css',
+    inject: false,
+    bundleName: 'bootstrap-dim',
+  },
+  {
+    input: 'node_modules/@volo/ngx-lepton-x.lite/assets/css/ng-bundle.css',
+    inject: false,
+    bundleName: 'ng-bundle',
+  },
+  {
+    input: 'node_modules/@volo/ngx-lepton-x.lite/assets/css/side-menu/layout-bundle.css',
+    inject: false,
+    bundleName: 'layout-bundle',
+  },
+  {
+    input: 'node_modules/@abp/ng.theme.lepton-x/assets/css/abp-bundle.css',
+    inject: false,
+    bundleName: 'abp-bundle',
+  },
+  {
+    input: 'node_modules/@volo/ngx-lepton-x.lite/assets/css/bootstrap-dim.rtl.css',
+    inject: false,
+    bundleName: 'bootstrap-dim.rtl',
+  },
+  {
+    input: 'node_modules/@volo/ngx-lepton-x.lite/assets/css/ng-bundle.rtl.css',
+    inject: false,
+    bundleName: 'ng-bundle.rtl',
+  },
+  {
+    input: 'node_modules/@volo/ngx-lepton-x.lite/assets/css/side-menu/layout-bundle.rtl.css',
+    inject: false,
+    bundleName: 'layout-bundle.rtl',
+  },
+  {
+    input: 'node_modules/@abp/ng.theme.lepton-x/assets/css/abp-bundle.rtl.css',
+    inject: false,
+    bundleName: 'abp-bundle.rtl',
+  },
+]);
+// the code written by Github co-pilot. thank go-pilot. You are the best sidekick.
+export const allStyles = Array.from(styleMap.values()).reduce((acc, val) => [...acc, ...val], []);
diff --git a/npm/ng-packs/packages/schematics/src/commands/change-theme/theme-options.enum.ts b/npm/ng-packs/packages/schematics/src/commands/change-theme/theme-options.enum.ts
new file mode 100644
index 00000000000..6e2f863674b
--- /dev/null
+++ b/npm/ng-packs/packages/schematics/src/commands/change-theme/theme-options.enum.ts
@@ -0,0 +1,8 @@
+// this enum create by https://raw.githubusercontent.com/abpframework/abp/rel-6.0/framework/src/Volo.Abp.Cli.Core/Volo/Abp/Cli/ProjectBuilding/Building/Theme.cs
+
+export enum ThemeOptionsEnum {
+  Basic = 1,
+  Lepton = 2,
+  LeptonXLite = 3,
+  LeptonX = 4,
+}
diff --git a/npm/ng-packs/scripts/build-schematics.ts b/npm/ng-packs/scripts/build-schematics.ts
index 8884ca95712..6690b272b3d 100644
--- a/npm/ng-packs/scripts/build-schematics.ts
+++ b/npm/ng-packs/scripts/build-schematics.ts
@@ -21,6 +21,7 @@ class FileCopy {
 const PACKAGE_TO_BUILD = 'schematics';
 const FILES_TO_COPY_AFTER_BUILD: (FileCopy | string)[] = [
   { src: 'src/commands/create-lib/schema.json', dest: 'commands/create-lib/schema.json' },
+  { src: 'src/commands/change-theme/schema.json', dest: 'commands/change-theme/schema.json' },
   { src: 'src/commands/create-lib/files-package', dest: 'commands/create-lib/files-package' },
   {
     src: 'src/commands/create-lib/files-secondary-entrypoint',