diff --git a/arkui/ace_engine/native/native_node.h b/arkui/ace_engine/native/native_node.h
index f83f1a181ac76ff83c6715222ed08f405ff01032..5db1f4de56b7cbaa8101574b451734523e6a4da4 100644
--- a/arkui/ace_engine/native/native_node.h
+++ b/arkui/ace_engine/native/native_node.h
@@ -3662,6 +3662,38 @@ typedef enum {
      *
      */
     NODE_TIME_PICKER_SELECTED_TEXT_STYLE,
+    /**
+     * @brief Defines the show option count of the time picker.
+     * This attribute can be set, reset, and obtained as required through APIs.
+     *
+     * Format of the {@link ArkUI_AttributeItem} parameter for setting the attribute:\n
+     * .value[0].i32: show option count.\n
+     * \n
+     * Format of the return value {@link ArkUI_AttributeItem}:\n
+     * value[0].i32: show option count.\n
+     *
+     * @since 16
+     */
+    NODE_TIME_PICKER_SHOW_OPTION_COUNT = 14008,
+    /**
+     * @brief Defines the background color, and border radius of the selected item in the time picker.
+     * This attribute can be set, reset, and obtained as required through APIs.
+     *
+     * Format of the {@link ArkUI_AttributeItem} parameter for setting the attribute:\n
+     * .string: array of five parameters of the string type, separated by semicolons (;).\n
+     * Parameter 1: background color, in #ARGB format.\n
+     * Parameter 2: radius of the four corners.\n
+     * Example: "#ff182431;8".\n
+     * \n
+     * Format of the return value {@link ArkUI_AttributeItem}:\n
+     * .string: array of five parameters of the string type, separated by semicolons (;).\n
+     * Parameter 1: background color, in #ARGB format.\n
+     * Parameter 2: radius of the four corners.\n
+     * Example: "#ff182431;8".\n
+     *
+     * @since 16
+     */
+    NODE_TIME_PICKER_SELECTED_TEXT_BACKGROUND_STYLE = 14009,
 
     /**
      * @brief Defines the data selection range of the text picker.