diff --git a/resourceschedule/ffrt/c/task.h b/resourceschedule/ffrt/c/task.h
index 066493f9e5037cbdcd107bcac908814e290def55..b789fdc74ddf5d5bbea7b4770eb6aa022f49e939 100644
--- a/resourceschedule/ffrt/c/task.h
+++ b/resourceschedule/ffrt/c/task.h
@@ -141,6 +141,26 @@ FFRT_C_API void ffrt_task_attr_set_queue_priority(ffrt_task_attr_t* attr, ffrt_q
  */
 FFRT_C_API ffrt_queue_priority_t ffrt_task_attr_get_queue_priority(const ffrt_task_attr_t* attr);
 
+/**
+ * @brief Sets the task stack size.
+ *
+ * @param attr Indicates a pointer to the task attribute.
+ * @param size Indicates the task stack size, unit is byte.
+ * @since 12
+ * @version 1.0
+ */
+FFRT_C_API void ffrt_task_attr_set_stack_size(ffrt_task_attr_t* attr, uint64_t size);
+
+/**
+ * @brief Obtains the task stack size.
+ *
+ * @param attr Indicates a pointer to the task attribute.
+ * @return Returns the task stack size, unit is byte.
+ * @since 12
+ * @version 1.0
+ */
+FFRT_C_API uint64_t ffrt_task_attr_get_stack_size(const ffrt_task_attr_t* attr);
+
 /**
  * @brief Updates the QoS of this task.
  *
@@ -209,6 +229,26 @@ FFRT_C_API void ffrt_submit_base(ffrt_function_header_t* f, const ffrt_deps_t* i
 FFRT_C_API ffrt_task_handle_t ffrt_submit_h_base(ffrt_function_header_t* f, const ffrt_deps_t* in_deps,
     const ffrt_deps_t* out_deps, const ffrt_task_attr_t* attr);
 
+/**
+ * @brief increase reference count of task handle.
+ *
+ * @param handle Indicates a task handle.
+ * @return return the task handle original reference count.
+ * @since 12
+ * @version 1.0
+ */
+FFRT_C_API uint32_t ffrt_task_handle_inc_ref(ffrt_task_handle_t handle);
+
+/**
+ * @brief decrease reference count of task handle.
+ *
+ * @param handle Indicates a task handle.
+ * @return return the task handle original reference count.
+ * @since 12
+ * @version 1.0
+ */
+FFRT_C_API uint32_t ffrt_task_handle_dec_ref(ffrt_task_handle_t handle);
+
 /**
  * @brief Destroys a task handle.
  *
diff --git a/resourceschedule/ffrt/ffrt.ndk.json b/resourceschedule/ffrt/ffrt.ndk.json
index 397494c376f4eb8a719db45e52077c41112d5b48..ed52dcc3b03aee71a62e96ba20a22688eb244ed2 100644
--- a/resourceschedule/ffrt/ffrt.ndk.json
+++ b/resourceschedule/ffrt/ffrt.ndk.json
@@ -50,11 +50,27 @@
     { "name": "ffrt_task_attr_get_qos" },
     { "name": "ffrt_task_attr_set_delay" },
     { "name": "ffrt_task_attr_get_delay" },
+    {
+        "first_introduced": "12",
+        "name": "ffrt_task_attr_set_stack_size"
+    },
+    {
+        "first_introduced": "12",
+        "name": "ffrt_task_attr_get_stack_size"
+    },
     { "name": "ffrt_this_task_update_qos" },
     { "name": "ffrt_this_task_get_id" },
     { "name": "ffrt_alloc_auto_managed_function_storage_base" },
     { "name": "ffrt_submit_base" },
     { "name": "ffrt_submit_h_base" },
+    {
+        "first_introduced": "12",
+        "name": "ffrt_task_handle_inc_ref"
+    },
+    {
+        "first_introduced": "12",
+        "name": "ffrt_task_handle_dec_ref"
+    },
     { "name": "ffrt_task_handle_destroy" },
     { "name": "ffrt_wait_deps" },
     { "name": "ffrt_wait" },