diff --git a/cpp/CHANGELOG.md b/cpp/CHANGELOG.md
index 671d865a028b5851662e2798131cb2289b70088e..3b4888dea4903a2b950bc3e0fee380daa33af88a 100644
--- a/cpp/CHANGELOG.md
+++ b/cpp/CHANGELOG.md
@@ -50,6 +50,7 @@ Please mark all change in change log and use the ticket from JIRA.
 - MS-408 - Add device_id in resource construct function
 - MS-409 - Using new scheduler
 - MS-410 - Add resource config comment
+- MS-414 - Add TaskType in Scheduler::Task
 
 ## New Feature
 - MS-343 - Implement ResourceMgr
diff --git a/cpp/src/scheduler/task/DeleteTask.cpp b/cpp/src/scheduler/task/DeleteTask.cpp
index 9f76de506e855a422d44057fb8b215f81707dd8b..0e9c7dc36006b2d8f0a5fd5cc5ba9ed269882ae1 100644
--- a/cpp/src/scheduler/task/DeleteTask.cpp
+++ b/cpp/src/scheduler/task/DeleteTask.cpp
@@ -12,7 +12,7 @@ namespace milvus {
 namespace engine {
 
 XDeleteTask::XDeleteTask(DeleteContextPtr &delete_context)
-    : delete_context_ptr_(delete_context) {}
+    : Task(TaskType::DeleteTask), delete_context_ptr_(delete_context) {}
 
 void
 XDeleteTask::Load(LoadType type, uint8_t device_id) {
diff --git a/cpp/src/scheduler/task/SearchTask.cpp b/cpp/src/scheduler/task/SearchTask.cpp
index 7d342a3592b64615eb1b5f383463dc2540e8075b..3ddc2beb73af632b1289f62efff39e85f12dd326 100644
--- a/cpp/src/scheduler/task/SearchTask.cpp
+++ b/cpp/src/scheduler/task/SearchTask.cpp
@@ -81,11 +81,12 @@ CollectFileMetrics(int file_type, size_t file_size) {
     }
 }
 
-XSearchTask::XSearchTask(TableFileSchemaPtr file) : file_(file) {
+XSearchTask::XSearchTask(TableFileSchemaPtr file)
+    : Task(TaskType::SearchTask), file_(file) {
     index_engine_ = EngineFactory::Build(file_->dimension_,
                                          file_->location_,
                                          (EngineType) file_->engine_type_,
-                                         (MetricType)file_->metric_type_,
+                                         (MetricType) file_->metric_type_,
                                          file_->nlist_);
 }
 
diff --git a/cpp/src/scheduler/task/Task.h b/cpp/src/scheduler/task/Task.h
index 4d78894d31048a43b4c2bc01b47a83f6f5777c52..bc2dae464b5e291dcc421c14499fd5558bb38de2 100644
--- a/cpp/src/scheduler/task/Task.h
+++ b/cpp/src/scheduler/task/Task.h
@@ -21,13 +21,20 @@ enum class LoadType {
     GPU2CPU,
 };
 
+enum class TaskType {
+    SearchTask,
+    DeleteTask,
+    TestTask,
+};
+
 class Task;
 
 using TaskPtr = std::shared_ptr<Task>;
 
 class Task {
 public:
-    Task() = default;
+    explicit
+    Task(TaskType type) : type_(type) {}
 
     virtual void
     Load(LoadType type, uint8_t device_id) = 0;
@@ -39,9 +46,13 @@ public:
     virtual TaskPtr
     Clone() = 0;
 
+    inline TaskType
+    Type() const { return type_; }
+
 public:
     std::vector<SearchContextPtr> search_contexts_;
     ScheduleTaskPtr task_;
+    TaskType type_;
 };
 
 
diff --git a/cpp/src/scheduler/task/TestTask.cpp b/cpp/src/scheduler/task/TestTask.cpp
index 527e1b0fb18f30b1f5e550d01984a0364d911a2e..29f2a94048e422644420364e35c851b1d8f81fa8 100644
--- a/cpp/src/scheduler/task/TestTask.cpp
+++ b/cpp/src/scheduler/task/TestTask.cpp
@@ -11,6 +11,8 @@ namespace zilliz {
 namespace milvus {
 namespace engine {
 
+TestTask::TestTask() : Task(TaskType::TestTask) {}
+
 void
 TestTask::Load(LoadType type, uint8_t device_id) {
     load_count_++;
diff --git a/cpp/src/scheduler/task/TestTask.h b/cpp/src/scheduler/task/TestTask.h
index 0eb77504c8109f56917e2cead025d80e81d90b7e..5a466ec3394db3ac546251dbf400331dc2e0a7b3 100644
--- a/cpp/src/scheduler/task/TestTask.h
+++ b/cpp/src/scheduler/task/TestTask.h
@@ -14,7 +14,7 @@ namespace engine {
 
 class TestTask : public Task {
 public:
-    TestTask() = default;
+    TestTask();
 
 public:
     void