diff --git a/graphic/graphic_2d/native_drawing/drawing_region.h b/graphic/graphic_2d/native_drawing/drawing_region.h
index 39eb09315f1966fd014b9e50d8220cb145a6eac9..97ff7ba467c945945fe30438f0c2637d10c5a147 100644
--- a/graphic/graphic_2d/native_drawing/drawing_region.h
+++ b/graphic/graphic_2d/native_drawing/drawing_region.h
@@ -40,6 +40,7 @@
  * @version 1.0
  */
 
+#include "drawing_error_code.h"
 #include "drawing_types.h"
 
 #ifdef __cplusplus
@@ -140,6 +141,20 @@ bool OH_Drawing_RegionSetRect(OH_Drawing_Region* region, const OH_Drawing_Rect*
  */
 bool OH_Drawing_RegionSetPath(OH_Drawing_Region* region, const OH_Drawing_Path* path, const OH_Drawing_Region* clip);
 
+/**
+ * @brief Determines whether the region is a rect with positive dimensional.
+ *
+ * @syscap SystemCapability.Graphic.Graphic2D.NativeDrawing
+ * @param cRegion Indicates the pointer to an <b>OH_Drawing_Region</b> object.
+ * @param isRect Indicates whether drawable area is a rect.
+ * @return Returns the error code.
+ *         Returns {@link OH_DRAWING_SUCCESS} if the operation is successful.
+ *         Returns {@link OH_DRAWING_ERROR_INVALID_PARAMETER} if cRegion or isRect is nullptr.
+ * @since 14
+ * @version 1.0
+ */
+OH_Drawing_ErrorCode OH_Drawing_RegionIsRect(const OH_Drawing_Region* cRegion, bool* isRect);
+
 /**
  * @brief Destroys an <b>OH_Drawing_Region</b> object and reclaims the memory occupied by the object.
  *
diff --git a/graphic/graphic_2d/native_drawing/libnative_drawing.ndk.json b/graphic/graphic_2d/native_drawing/libnative_drawing.ndk.json
index 3f0f7905b62de328131d4b4575952e30497f76c1..e13ab18ec9dd15f0670f5b62c1070a71b2daa3ec 100644
--- a/graphic/graphic_2d/native_drawing/libnative_drawing.ndk.json
+++ b/graphic/graphic_2d/native_drawing/libnative_drawing.ndk.json
@@ -1146,6 +1146,10 @@
         "first_introduced": "12",
         "name": "OH_Drawing_RegionSetPath"
     },
+    {
+        "first_introduced": "14",
+        "name": "OH_Drawing_RegionIsRect"
+    },
     {
         "first_introduced": "12",
         "name": "OH_Drawing_RegionDestroy"