diff --git a/Media/ImageEdit/entry/src/main/ets/pages/HomePage.ets b/Media/ImageEdit/entry/src/main/ets/pages/HomePage.ets
index 068cd118f5f39ae8e2687633df511b9efbed1737..94513f29d785dded7f47d729e6dfeb8d00b0d986 100644
--- a/Media/ImageEdit/entry/src/main/ets/pages/HomePage.ets
+++ b/Media/ImageEdit/entry/src/main/ets/pages/HomePage.ets
@@ -277,9 +277,18 @@ struct HomePage {
         height: this.imageHeight
       }
       this.showCanvas = true;
+      this.calcScale();
     });
   }
 
+  calcScale() {
+    let imageWidthScale = (this.screenWidth - CommonConstants.DOUBLE * CommonConstants.SCREEN_DISPLAY_MARGIN) /
+    this.imageOldSize.width;
+    let imageHeightScale = (this.screenHeight - CommonConstants.DOUBLE * CommonConstants.SCREEN_DISPLAY_MARGIN) /
+    this.imageOldSize.height;
+    this.imageScale = imageWidthScale > imageHeightScale ? imageHeightScale : imageWidthScale;
+  }
+
   pixelInit() {
     this.showCanvas = false;
     getPixelMap(CommonConstants.RAW_FILE_NAME).then(pixelMap => {