diff --git a/arkui/window_manager/libwm.ndk.json b/arkui/window_manager/libwm.ndk.json
index 53d45ba82333b7ffa112fc80dbfff290f61d0ff6..256ddc7a39aa1ed9a0cdc678224633b0900bf022 100644
--- a/arkui/window_manager/libwm.ndk.json
+++ b/arkui/window_manager/libwm.ndk.json
@@ -135,6 +135,15 @@
         "first_instroduced":"20",
         "name":"OH_PictureInPicture_SetPipControlEnabled"
     },
+    {
+        "first_instroduced":"20",
+        "name":"OH_PictureInPicture_SetPipInitialSurfaceRect"
+    },
+    {
+        "first_instroduced":"20",
+        "name":"OH_PictureInPicture_UnsetPipInitialSurfaceRect"
+    },
+
     {
         "first_instroduced":"20",
         "name":"OH_PictureInPicture_RegisterStartPipCallback"
diff --git a/arkui/window_manager/oh_window_pip.h b/arkui/window_manager/oh_window_pip.h
index 157722cd902547579dc4778a88a1ab2338c2b04c..4481ae1e647f900cffec256b692685ada1d090ac 100644
--- a/arkui/window_manager/oh_window_pip.h
+++ b/arkui/window_manager/oh_window_pip.h
@@ -330,6 +330,35 @@ void OH_PictureInPicture_UpdatePipControlStatus(uint32_t controllerId, PictureIn
 void OH_PictureInPicture_SetPipControlEnabled(uint32_t controllerId, PictureInPicture_PipControlType controlType,
     bool enabled);
 
+/**
+ * @brief Set picture-in-picture initial surface rect.
+ *
+ * @param controllerId The picture-in-picture controller ID
+ * @param positionX The X position of the first frame when start the picture-in-picture.
+ * @param positionY The Y position of the first frame when start the picture-in-picture.
+ * @param width The width of the first frame when start the picture-in-picture.
+ * @param height The height of the first frame when start the picture-in-picture.
+ * @return Return the result code.
+ *         {@link OK} the function call is successful.
+ *         {@link WINDOW_MANAGER_ERRORCODE_INCORRECT_PARAM} parameter error.
+ *         {@link WINDOW_MANAGER_ERRORCODE_PIP_INTERNAL_ERROR} pip internal error.
+ * @since 20
+ */
+int32_t OH_PictureInPicture_SetPipInitialSurfaceRect(uint32_t controllerId, int32_t positionX, int32_t positionY,
+    uint32_t width, uint32_t height);
+
+/**
+ * @brief Unset picture-in-picture initial surface rect.
+ *
+ * @param controllerId The picture-in-picture controller ID
+ * @return Return the result code.
+ *         {@link OK} the function call is successful.
+ *         {@link WINDOW_MANAGER_ERRORCODE_INCORRECT_PARAM} parameter error.
+ *         {@link WINDOW_MANAGER_ERRORCODE_PIP_INTERNAL_ERROR} pip internal error.
+ * @since 20
+ */
+int32_t OH_PictureInPicture_UnsetPipInitialSurfaceRect(uint32_t controllerId);
+
 /**
  * @brief Register picture-in-picture controller start callback.
  *