diff --git a/arkui/ace_engine/native/native_node.h b/arkui/ace_engine/native/native_node.h
index f20102e7c33d5f92c712e0117bd385132ca063ba..b44c426448b7bd4b2b4004d39094c3ad97a31f5f 100644
--- a/arkui/ace_engine/native/native_node.h
+++ b/arkui/ace_engine/native/native_node.h
@@ -1839,7 +1839,28 @@ typedef enum {
      * @since 14
      */
     NODE_TAB_STOP = 98,
-    
+
+    /**
+     * @brief Defines blur attribute of backdrop, which can be set, reset, and obtained as required through APIs.
+     *
+     * Format of the {@link ArkUI_AttributeItem} parameter for setting the attribute:\n
+     * .value[0].f32：Represents the blur radius of backdrop. The unit is px. The value range is [0,+∞).\n
+     * .value[1]?.f32：Represents a gray scale blur parameter, which affects the degree of brightening black color.\n
+     * The value range is [0,127].\n
+     * .value[2]?.f32：Represents a gray scale blur parameter, which affects the degree of darkening white color.\n
+     * The value range is [0,127].\n
+     * \n
+     * Format of the return value {@link ArkUI_AttributeItem}:\n
+     * .value[0].f32：Represents the blur radius of backdrop. The unit is px. The value range is [0,+∞).\n
+     * .value[1].f32：Represents a gray scale blur parameter, which affects the degree of brightening black color.\n
+     * The value range is [0,127].\n
+     * .value[2].f32：Represents a gray scale blur parameter, which affects the degree of darkening white color.\n
+     * The value range is [0,127].\n
+     *
+     * @since 16
+     */
+    NODE_BACKDROP_BLUR = 99,
+
     /**
      * @brief Defines the text content attribute, which can be set, reset, and obtained as required through APIs.
      *