diff --git a/interfaces/kits/js/@ohos.multimedia.image.d.ts b/interfaces/kits/js/@ohos.multimedia.image.d.ts
index 74bd1969d3bb361b7354dca916f1c1cf959246e4..ee59c56381bd805b421e23dc380e43c373c62f43 100644
--- a/interfaces/kits/js/@ohos.multimedia.image.d.ts
+++ b/interfaces/kits/js/@ohos.multimedia.image.d.ts
@@ -324,6 +324,12 @@ declare namespace image {
      * @syscap SystemCapability.Multimedia.Image.Core
      */
     size: Size;
+
+    /**
+     * Indicates image defalt density.
+     * @since 9
+     * @syscap SystemCapability.Multimedia.Image.Core
+     */
     density: number;
   }
 
@@ -426,6 +432,11 @@ declare namespace image {
      */
     desiredPixelFormat?: PixelMapFormat;
 
+    /**
+     * The density for image pixel map.
+     * @since 9
+     * @syscap SystemCapability.Multimedia.Image.ImageSource
+     */
     fitDensity?: number;
   }
 
@@ -506,9 +517,20 @@ declare namespace image {
     scaleMode?: ScaleMode;
   }
 
+  /**
+   * Initialization options for ImageSource.
+   * @since 9
+   * @syscap SystemCapability.Multimedia.Image.Core
+   */
   interface SourceOptions {
+    /**
+     * The density for ImageSource.
+     * @since 9
+     * @syscap SystemCapability.Multimedia.Image.Core
+     */
     sourceDensity: number;
   }
+
   /**
    * Create pixelmap by data buffer.
    * @since 8
@@ -528,6 +550,7 @@ declare namespace image {
    * @since 6
    * @syscap SystemCapability.Multimedia.Image.ImageSource
    * @param uri Image source URI.
+   * @param options The config of Image source.
    * @return Returns the ImageSource instance if the operation is successful; returns null otherwise.
    */
   function createImageSource(uri: string, options?: SourceOptions): ImageSource;
@@ -537,6 +560,7 @@ declare namespace image {
    * @since 7
    * @syscap SystemCapability.Multimedia.Image.ImageSource
    * @param fd ID of a file descriptor.
+   * @param options The config of Image source.
    * @return Returns the ImageSource instance if the operation is successful; returns null otherwise.
    */
   function createImageSource(fd: number, options?: SourceOptions): ImageSource;
@@ -546,6 +570,7 @@ declare namespace image {
    * @since 9
    * @syscap SystemCapability.Multimedia.Image.ImageSource
    * @param buf The buffer of the iamge.
+   * @param options The config of Image source.
    * @return Returns the ImageSource instance if the operation is successful; returns null otherwise.
    */
   function createImageSource(buf: ArrayBuffer, options?: SourceOptions): ImageSource;
@@ -555,6 +580,7 @@ declare namespace image {
    * @since 9
    * @syscap SystemCapability.Multimedia.Image.ImageSource
    * @param buf The buffer of the iamge.
+   * @param options The config of source.
    * @return Returns the ImageSource instance if the operation is successful; returns null otherwise.
    */
   function CreateIncrementalSource(buf: ArrayBuffer, options?: SourceOptions): ImageSource;
@@ -703,8 +729,143 @@ declare namespace image {
      */
     getPixelBytesNumber(): number;
 
+    /**
+     * Obtains the density of the image pixel map.
+     * @since 9
+     * @syscap SystemCapability.Multimedia.Image.Core
+     * @return The number of density.
+     */
     getDensity():number;
-    setDensity(density: number);
+
+    /**
+     * Set the transparent rate of pixel map. This method uses a callback to return the operation result.
+     * @since 9
+     * @syscap SystemCapability.Multimedia.Image.Core
+     * @param rate The value of transparent rate.
+     * @param callback Callback used to return the operation result. If the operation fails, an error message is returned.
+     */
+    setAlphaRate(rate: number, callback: AsyncCallback<void>): void;
+
+    /**
+     * Set the transparent rate of pixel map. This method uses a promise to return the result.
+     * @since 9
+     * @syscap SystemCapability.Multimedia.Image.Core
+     * @param rate The value of transparent rate.
+     * @return A Promise instance used to return the operation result. If the operation fails, an error message is returned.
+     */
+    setAlphaRate(rate: number): Promise<void>;
+
+    /**
+     * Obtains new pixel map with allpha information. This method uses a promise to return the information.
+     * @since 9
+     * @syscap SystemCapability.Multimedia.Image.Core
+     * @return A Promise instance used to return the new image pixel map. If the operation fails, an error message is returned.
+     */
+    createAlphaPixelmap(): Promise<PixelMap>;
+
+    /**
+     * Obtains new pixel map with allpha information. This method uses a callback to return the information.
+     * @since 9
+     * @syscap SystemCapability.Multimedia.Image.Core
+     * @param callback Callback used to return the new image pixel map. If the operation fails, an error message is returned.
+     */
+    createAlphaPixelmap(callback: AsyncCallback<PixelMap>): void;
+
+    /**
+     * Image zoom in width and height. This method uses a callback to return the operation result.
+     * @since 9
+     * @syscap SystemCapability.Multimedia.Image.Core
+     * @param x The zoom value of width.
+	 * @param y The zoom value of height.
+     * @param callback Callback used to return the operation result. If the operation fails, an error message is returned.
+     */
+    scale(x: number, y: number, callback: AsyncCallback<void>): void;
+
+    /**
+     * Image zoom in width and height. This method uses a promise to return the result.
+     * @since 9
+     * @syscap SystemCapability.Multimedia.Image.Core
+     * @param x The zoom value of width.
+	 * @param y The zoom value of height.
+     * @return A Promise instance used to return the operation result. If the operation fails, an error message is returned.
+     */
+    scale(x: number, y: number): Promise<void>;
+
+    /**
+     * Image position transformation. This method uses a callback to return the operation result.
+     * @since 9
+     * @syscap SystemCapability.Multimedia.Image.Core
+     * @param x The position value of width.
+	 * @param y The position value of height.
+     * @param callback Callback used to return the operation result. If the operation fails, an error message is returned.
+     */
+    translate(x: number, y: number, callback: AsyncCallback<void>): void;
+
+    /**
+     * Image position transformation. This method uses a promise to return the result.
+     * @since 9
+     * @syscap SystemCapability.Multimedia.Image.Core
+     * @param x The position value of width.
+	 * @param y The position value of height.
+     * @return A Promise instance used to return the operation result. If the operation fails, an error message is returned.
+     */
+    translate(x: number, y: number): Promise<void>;
+
+    /**
+     * Image rotation. This method uses a callback to return the operation result.
+     * @since 9
+     * @syscap SystemCapability.Multimedia.Image.Core
+     * @param angle The rotation angle.
+     * @param callback Callback used to return the operation result. If the operation fails, an error message is returned.
+     */
+    rotate(angle: number, callback: AsyncCallback<void>): void;
+
+    /**
+     * Image rotation. This method uses a promise to return the result.
+     * @since 9
+     * @syscap SystemCapability.Multimedia.Image.Core
+     * @param angle The rotation angle.
+     * @return A Promise instance used to return the operation result. If the operation fails, an error message is returned.
+     */
+    rotate(angle: number): Promise<void>;
+
+    /**
+     * Image flipping. This method uses a callback to return the operation result.
+     * @since 9
+     * @syscap SystemCapability.Multimedia.Image.Core
+     * @param horizontal Is flip in horizontal.
+     * @param vertical Is flip in vertical.
+     * @param callback Callback used to return the operation result. If the operation fails, an error message is returned.
+     */
+    flip(horizontal: boolean, vertical: boolean, callback: AsyncCallback<void>): void;
+
+    /**
+     * Image flipping. This method uses a promise to return the result.
+     * @since 9
+     * @syscap SystemCapability.Multimedia.Image.Core
+     * @param horizontal Is flip in horizontal.
+     * @param vertical Is flip in vertical.
+     * @return A Promise instance used to return the operation result. If the operation fails, an error message is returned.
+     */
+    flip(horizontal: boolean, vertical: boolean): Promise<void>;
+
+    /**
+     * Crop the image. This method uses a callback to return the operation result.
+     * @since 9
+     * @syscap SystemCapability.Multimedia.Image.Core
+     * @param region The region to crop.
+     * @param callback Callback used to return the operation result. If the operation fails, an error message is returned.
+     */
+    crop(region: Region callback: AsyncCallback<void>): void;
+
+    /**
+     * Crop the image. This method uses a promise to return the result.
+     * @since 9
+     * @syscap SystemCapability.Multimedia.Image.Core
+     * @param region The region to crop.
+     * @return A Promise instance used to return the operation result. If the operation fails, an error message is returned.
+     */
+    crop(region: Region): Promise<void>;
 
     /**
      * Releases this PixelMap object. This method uses a callback to return the result.