diff --git a/services/reminder/include/reminder_data_manager.h b/services/reminder/include/reminder_data_manager.h
index 883a1a4aa74ef0e028454e830e875992c300f28a..99464f9b93093da3f6773450db221be916c51ff2 100644
--- a/services/reminder/include/reminder_data_manager.h
+++ b/services/reminder/include/reminder_data_manager.h
@@ -684,6 +684,11 @@ private:
     bool CheckShowLimit(std::unordered_map<std::string, int32_t>& limits, int32_t& totalCount,
         sptr<ReminderRequest>& reminder);
 
+    /**
+     * @brief Collapse the notification panel, send event to sceneboard.
+     */
+    void CollapseNotificationPanel();
+
    /**
     * Single instance.
     */
diff --git a/services/reminder/src/reminder_data_manager.cpp b/services/reminder/src/reminder_data_manager.cpp
index 4fd503b932806ab8a8f1fb146e96728d893b8ee6..cbff217335de3f13d371502501c6c92a25fb8c56 100644
--- a/services/reminder/src/reminder_data_manager.cpp
+++ b/services/reminder/src/reminder_data_manager.cpp
@@ -1936,6 +1936,8 @@ void ReminderDataManager::HandleCustomButtonClick(const OHOS::EventFwk::Want &wa
         ANSR_LOGE("Start ability failed, result = %{public}d", result);
         return;
     }
+    // Collapse the notification panel
+    CollapseNotificationPanel();
 }
 
 void ReminderDataManager::ClickReminder(const OHOS::EventFwk::Want &want)
diff --git a/services/reminder/src/reminder_data_manager_inner.cpp b/services/reminder/src/reminder_data_manager_inner.cpp
index 0c3f22596837f4f2c670c0d199f48468a3348ab0..b99b634dd66992ef7a1a51a2109b19499631eca8 100644
--- a/services/reminder/src/reminder_data_manager_inner.cpp
+++ b/services/reminder/src/reminder_data_manager_inner.cpp
@@ -225,5 +225,14 @@ void ReminderDataManager::UpdateShareReminders(const std::map<std::string, sptr<
         }
     }
 }
+
+void ReminderDataManager::CollapseNotificationPanel()
+{
+    EventFwk::Want want;
+    want.SetAction("sceneboard.event.HIDE_DROPDOWN_WINDOW");
+    want.SetParam("Code", 0);
+    EventFwk::CommonEventData eventData(want);
+    EventFwk::CommonEventManager::PublishCommonEvent(eventData);
+}
 }
 }