diff --git a/manager/src/main/java/org/dromara/hertzbeat/manager/service/TagService.java b/manager/src/main/java/org/dromara/hertzbeat/manager/service/TagService.java
index 8aa694b7426..dae0b4da0c1 100644
--- a/manager/src/main/java/org/dromara/hertzbeat/manager/service/TagService.java
+++ b/manager/src/main/java/org/dromara/hertzbeat/manager/service/TagService.java
@@ -17,6 +17,7 @@
 
 package org.dromara.hertzbeat.manager.service;
 
+import org.dromara.hertzbeat.common.entity.manager.Monitor;
 import org.dromara.hertzbeat.common.entity.manager.Tag;
 import org.springframework.data.domain.Page;
 import org.springframework.data.domain.PageRequest;
@@ -30,7 +31,6 @@
  * 标签服务
  *
  * @author tom
- *
  */
 public interface TagService {
 
@@ -72,4 +72,10 @@ public interface TagService {
      */
     List<Tag> listTag(Set<Long> ids);
 
+    /**
+     * remove monitor system tags
+     *
+     * @param monitor monitor
+     */
+    void deleteMonitorSystemTags(Monitor monitor);
 }
diff --git a/manager/src/main/java/org/dromara/hertzbeat/manager/service/impl/MonitorServiceImpl.java b/manager/src/main/java/org/dromara/hertzbeat/manager/service/impl/MonitorServiceImpl.java
index 2f715ccc968..498001052d5 100644
--- a/manager/src/main/java/org/dromara/hertzbeat/manager/service/impl/MonitorServiceImpl.java
+++ b/manager/src/main/java/org/dromara/hertzbeat/manager/service/impl/MonitorServiceImpl.java
@@ -45,6 +45,7 @@
 import org.dromara.hertzbeat.manager.service.AppService;
 import org.dromara.hertzbeat.manager.service.ImExportService;
 import org.dromara.hertzbeat.manager.service.MonitorService;
+import org.dromara.hertzbeat.manager.service.TagService;
 import org.dromara.hertzbeat.manager.support.exception.MonitorDatabaseException;
 import org.dromara.hertzbeat.manager.support.exception.MonitorDetectException;
 import org.dromara.hertzbeat.manager.support.exception.MonitorMetricsException;
@@ -81,6 +82,9 @@ public class MonitorServiceImpl implements MonitorService {
 
     @Autowired
     private AppService appService;
+
+    @Autowired
+    private TagService tagService;
     
     @Autowired
     private CollectJobScheduling collectJobScheduling;
@@ -546,6 +550,8 @@ public void deleteMonitor(long id) throws RuntimeException {
         if (monitorOptional.isPresent()) {
             Monitor monitor = monitorOptional.get();
             monitorDao.deleteById(id);
+            // delete tag 删除监控对应的标签
+            tagService.deleteMonitorSystemTags(monitor);
             paramDao.deleteParamsByMonitorId(id);
             tagMonitorBindDao.deleteTagMonitorBindsByMonitorId(id);
             alertDefineBindDao.deleteAlertDefineMonitorBindsByMonitorIdEquals(id);
@@ -565,6 +571,8 @@ public void deleteMonitors(Set<Long> ids) throws RuntimeException {
             tagMonitorBindDao.deleteTagMonitorBindsByMonitorIdIn(monitorIds);
             alertDefineBindDao.deleteAlertDefineMonitorBindsByMonitorIdIn(monitorIds);
             for (Monitor monitor : monitors) {
+                // delete tag 删除监控对应的标签
+                tagService.deleteMonitorSystemTags(monitor);
                 collectJobScheduling.cancelAsyncCollectJob(monitor.getJobId());
                 calculateAlarm.triggeredAlertMap.remove(String.valueOf(monitor.getId()));
             }
diff --git a/manager/src/main/java/org/dromara/hertzbeat/manager/service/impl/TagServiceImpl.java b/manager/src/main/java/org/dromara/hertzbeat/manager/service/impl/TagServiceImpl.java
index 80671644514..ffa6497d236 100644
--- a/manager/src/main/java/org/dromara/hertzbeat/manager/service/impl/TagServiceImpl.java
+++ b/manager/src/main/java/org/dromara/hertzbeat/manager/service/impl/TagServiceImpl.java
@@ -17,6 +17,8 @@
 
 package org.dromara.hertzbeat.manager.service.impl;
 
+import org.apache.commons.collections.CollectionUtils;
+import org.dromara.hertzbeat.common.entity.manager.Monitor;
 import org.dromara.hertzbeat.common.entity.manager.Tag;
 import org.dromara.hertzbeat.manager.dao.TagDao;
 import org.dromara.hertzbeat.manager.service.TagService;
@@ -32,6 +34,7 @@
 import java.util.List;
 import java.util.Optional;
 import java.util.Set;
+import java.util.stream.Collectors;
 
 /**
  * @author tom
@@ -75,5 +78,12 @@ public List<Tag> listTag(Set<Long> ids) {
         return tagDao.findByIdIn(ids);
     }
 
+    @Override
+    public void deleteMonitorSystemTags(Monitor monitor) {
+        if (CollectionUtils.isNotEmpty(monitor.getTags())) {
+            List<Tag> tags = monitor.getTags().stream().filter(tag -> tag.getType() == (byte) 0).collect(Collectors.toList());
+            tagDao.deleteAll(tags);
+        }
+    }
 
 }
diff --git a/manager/src/test/java/org/dromara/hertzbeat/manager/service/MonitorServiceTest.java b/manager/src/test/java/org/dromara/hertzbeat/manager/service/MonitorServiceTest.java
index bfb3201aab7..72623532b9f 100644
--- a/manager/src/test/java/org/dromara/hertzbeat/manager/service/MonitorServiceTest.java
+++ b/manager/src/test/java/org/dromara/hertzbeat/manager/service/MonitorServiceTest.java
@@ -76,7 +76,10 @@ class MonitorServiceTest {
 
     @Mock
     private AppService appService;
-    
+
+    @Mock
+    private TagService tagService;
+
     @Mock
     private CollectJobScheduling collectJobScheduling;