diff --git a/api/@ohos.screen.d.ts b/api/@ohos.screen.d.ts
index cb4b192512a11228181ca86b4bb771c4f3056852..0659f0f9d080e15caaefc2c9d31350993f4efe1c 100644
--- a/api/@ohos.screen.d.ts
+++ b/api/@ohos.screen.d.ts
@@ -43,6 +43,20 @@ declare namespace screen {
    */
   function off(eventType: 'connect' | 'disconnect' | 'change', callback?: Callback<number>): void;
 
+  /**
+   * Register the callback for virtual screen operations.
+   * @param eventType: 'virtualScreenAction'
+   * @since 9
+   */
+  function on(eventType: 'virtualScreenAction', callback: Callback<VirtualScreenActionCallbackParam>): void;
+
+  /**
+   * Unregister the callback for virtual screen operations
+   * @param eventType: 'virtualScreenAction'
+   * @since 9
+   */
+  function off(eventType: 'virtualScreenAction', callback?: Callback<VirtualScreenActionCallbackParam>): void;
+
   /**
    * make screens as expand-screen
    * @since 9
@@ -66,6 +80,14 @@ declare namespace screen {
   function createVirtualScreen(options:VirtualScreenOption, callback: AsyncCallback<Screen>): void;
   function createVirtualScreen(options:VirtualScreenOption): Promise<Screen>;
 
+  /**
+   * Remove virtual screen
+   * @param screenId Indicates the screen id of the virtual screen.
+   * @since 9
+   */
+  function removeVirtualScreen(screenId:number, callback: AsyncCallback<void>): void;
+  function removeVirtualScreen(screenId:number): Promise<void>;
+
   /**
    * Destroy virtual screen.
    * @param screenId Indicates the screen id of the virtual screen.
@@ -230,6 +252,55 @@ declare namespace screen {
     height: number;
     refreshRate: number;
   }
+
+  /**
+   * The virtual screen operations
+   * @syscap SystemCapability.WindowManager.WindowManager.Core
+   * @since 9
+   */
+  enum VirtualScreenAction {
+    /**
+     * When createVirtualScreen called
+     */
+    CREATE,
+    /**
+     * When makeExpand called
+     */
+    EXPAND_MAKE,
+    /**
+     * When removeVirtualScreen called on the expand screen
+     */
+    EXPAND_REMOVE,
+    /**
+     * When destroyVirtualScreen called on the expand screen
+     */
+    EXPAND_DESTORY,
+    /**
+     * When makeMirror called
+     */
+    MIRROR_MAKE,
+    /**
+     * When removeVirtualScreen called on the mirror screen
+     */
+    MIRROR_REMOVE,
+    /**
+     * When destroyVirtualScreen called on the mirror screen
+     */
+    MIRROR_DESTORY
+  }
+
+  /**
+   * The callback paramters of virtual screen action
+   * @syscap SystemCapability.WindowManager.WindowManager.Core
+   * @since 9
+   */
+  interface VirtualScreenActionCallbackParam {
+    action: VirtualScreenAction;
+    /**
+     * Package name of action trigger
+     */
+    packageName: string;
+  }
 }
 
 export default screen;
diff --git a/api/@ohos.screenshot.d.ts b/api/@ohos.screenshot.d.ts
index 4928ee300f4532989b7680ed5f546d9cff8e3743..6d640bf4ac4de34ae212df16d03c8dd53a2f68d2 100644
--- a/api/@ohos.screenshot.d.ts
+++ b/api/@ohos.screenshot.d.ts
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-import { AsyncCallback, ErrorCallback } from './basic';
+import { AsyncCallback, Callback, ErrorCallback } from './basic';
 import image from './@ohos.multimedia.image';
 
 /**
@@ -39,6 +39,20 @@ declare namespace screenshot {
      */
     function save(options?: ScreenshotOptions): Promise<image.PixelMap>;
 
+    /**
+     * Register the callback of save, can be used in a module different with 'save'
+     * @param type: 'screenshot'
+     * @since 9
+     */
+    function on(type: 'screenshot', callback: Callback<ScreenshotCallbackParam>): void;
+
+    /**
+     * Unregister the callback of save, can be used in a module different with 'save'
+     * @param type: 'screenshot'
+     * @since 9
+     */
+    function off(type: 'screenshot', callback?: Callback<ScreenshotCallbackParam>): void;
+
     /**
      * Describes the region of the screen to capture.
      * @since 7
@@ -82,6 +96,17 @@ declare namespace screenshot {
          */
         displayId?: number;
     }
+
+    /**
+     * Describes screenshot callback parameters.
+     * @since 9
+     */
+    interface ScreenshotCallbackParam {
+        /**
+         * Package name of the caller of 'save'
+         */
+        packageName: string;
+    }
 }
 
 export default screenshot;