diff --git a/addon/chrome/content/preferences.xhtml b/addon/chrome/content/preferences.xhtml
index 13374311..0e4d39e6 100644
--- a/addon/chrome/content/preferences.xhtml
+++ b/addon/chrome/content/preferences.xhtml
@@ -45,6 +45,24 @@
         preference="__prefsPrefix__.enableAnnotationFromSyncTranslation"
       />
     </vbox>
+    <vbox>
+      <checkbox
+        id="__addonRef__-enableAutoTagAnnotation"
+        data-l10n-id="pref-basic-enableAutoTagAnnotation"
+        style="padding-left: 18px"
+        native="true"
+        preference="__prefsPrefix__.enableAutoTagAnnotation"
+      />
+      <hbox align="center" style="padding-left: 36px">
+        <label data-l10n-id="pref-basic-annotationTagContent"></label>
+        <html:input
+          id="__addonRef__-annotationTagContent"
+          type="text"
+          class="enable-auto-tag-annotation"
+          preference="__prefsPrefix__.annotationTagContent"
+        ></html:input>
+      </hbox>
+    </vbox>
     <vbox>
       <checkbox
         id="__addonRef__-enablePopup"
diff --git a/addon/locale/en-US/preferences.ftl b/addon/locale/en-US/preferences.ftl
index ebf3ef00..b58a722f 100644
--- a/addon/locale/en-US/preferences.ftl
+++ b/addon/locale/en-US/preferences.ftl
@@ -18,7 +18,10 @@ pref-basic-enableNote =
     .label = Show "Add Translation to Note" in Pop-up
 pref-basic-enableNoteReplaceMode =
     .label = Replace Raw Text When Adding Translation to Note
-
+pref-basic-enableAutoTagAnnotation =
+    .label = Automatically Tag Annotation After Translation
+pref-basic-annotationTagContent =
+    .value = Tag
 pref-audio-autoPlay =
     .label = Auto-play Pronunciation
 pref-audio-showPlayBtn =
diff --git a/addon/locale/it-IT/preferences.ftl b/addon/locale/it-IT/preferences.ftl
index b106bfe3..564fface 100644
--- a/addon/locale/it-IT/preferences.ftl
+++ b/addon/locale/it-IT/preferences.ftl
@@ -18,7 +18,10 @@ pref-basic-enableNote =
     .label = Mostra "Aggiungi traduzione alla nota" nel popup
 pref-basic-enableNoteReplaceMode =
     .label = Sostituisci il testo d'origine quando aggiungi traduzione alla nota
-
+pref-basic-enableAutoTagAnnotation =
+    .label = Tagga automaticamente l'annotazione dopo la traduzione
+pref-basic-annotationTagContent =
+    .value = Tag
 pref-audio-autoPlay =
     .label = Riproduci automaticamente la pronuncia
 pref-audio-showPlayBtn =
diff --git a/addon/locale/zh-CN/preferences.ftl b/addon/locale/zh-CN/preferences.ftl
index ba32bed6..9eb6c15c 100644
--- a/addon/locale/zh-CN/preferences.ftl
+++ b/addon/locale/zh-CN/preferences.ftl
@@ -18,7 +18,10 @@ pref-basic-enableNote =
     .label = 在弹窗中显示“添加翻译至笔记”
 pref-basic-enableNoteReplaceMode =
     .label = 添加翻译至笔记时替换原始文本
-
+pref-basic-enableAutoTagAnnotation =
+    .label = 翻译后自动为注释添加标签
+pref-basic-annotationTagContent =
+    .value = 标签
 pref-audio-autoPlay =
     .label = 自动播放发音
 pref-audio-showPlayBtn =
diff --git a/addon/prefs.js b/addon/prefs.js
index f8f2f8af..cb33c42b 100644
--- a/addon/prefs.js
+++ b/addon/prefs.js
@@ -4,6 +4,8 @@ pref("__prefsPrefix__.attachPaperContext", false);
 pref("__prefsPrefix__.enablePopup", true);
 pref("__prefsPrefix__.enableComment", false);
 pref("__prefsPrefix__.enableAnnotationFromSyncTranslation", false);
+pref("__prefsPrefix__.enableAutoTagAnnotation", false);
+pref("__prefsPrefix__.annotationTagContent", "");
 pref("__prefsPrefix__.annotationTranslationPosition", "comment");
 pref("__prefsPrefix__.enableNote", true);
 pref("__prefsPrefix__.enableNoteReplaceMode", false);
diff --git a/src/modules/defaultPrefs.ts b/src/modules/defaultPrefs.ts
index b62248f8..182ccd19 100644
--- a/src/modules/defaultPrefs.ts
+++ b/src/modules/defaultPrefs.ts
@@ -92,4 +92,8 @@ export function setDefaultPrefSettings() {
       setPref(prefKey, String(value));
     }
   });
+
+  if (!getPref("annotationTagContent")) {
+    setPref("annotationTagContent", isZhCN ? "翻译" : "Translation");
+  }
 }
diff --git a/src/modules/preferenceWindow.ts b/src/modules/preferenceWindow.ts
index 585ebc3d..194125e2 100644
--- a/src/modules/preferenceWindow.ts
+++ b/src/modules/preferenceWindow.ts
@@ -257,6 +257,12 @@ function buildPrefsPane() {
           ztoolkit.ExtraField.setExtraField(item, "abstractTranslation", "");
         });
     });
+
+  doc
+    .querySelector(`#${makeId("enableAutoTagAnnotation")}`)
+    ?.addEventListener("command", (e: Event) => {
+      onPrefsEvents("setEnableAutoTagAnnotation");
+    });
 }
 
 function updatePrefsPaneDefault() {
@@ -266,6 +272,7 @@ function updatePrefsPaneDefault() {
   onPrefsEvents("setUseWordService", false);
   onPrefsEvents("setSentenceSecret", false);
   onPrefsEvents("setWordSecret", false);
+  onPrefsEvents("setEnableAutoTagAnnotation", false);
 }
 
 function onPrefsEvents(type: string, fromElement: boolean = true) {
@@ -336,6 +343,19 @@ function onPrefsEvents(type: string, fromElement: boolean = true) {
         }
       }
       break;
+    case "setEnableAutoTagAnnotation":
+      {
+        const elemValue = fromElement
+          ? (
+              doc.querySelector(
+                `#${makeId("enableAutoTagAnnotation")}`,
+              ) as XUL.Checkbox
+            ).checked
+          : (getPref("enableAutoTagAnnotation") as boolean);
+        const hidden = !elemValue;
+        setDisabled("enable-auto-tag-annotation", hidden);
+      }
+      break;
     case "setSentenceService":
       {
         setPref(
diff --git a/src/modules/services/index.ts b/src/modules/services/index.ts
index 46b9b627..0b7e308b 100644
--- a/src/modules/services/index.ts
+++ b/src/modules/services/index.ts
@@ -343,6 +343,26 @@ export class TranslationServices {
                   ? "annotationComment"
                   : "annotationText"
               ] = text;
+
+              // Auto tag
+              const enableAutoTag = getPref(
+                "enableAutoTagAnnotation",
+              ) as boolean;
+              if (enableAutoTag) {
+                const tagContent = getPref("annotationTagContent") as string;
+                if (tagContent && tagContent.trim()) {
+                  const tag = tagContent.trim();
+                  // Check if the tag already exists
+                  const existingTags = item.getTags();
+                  const tagExists = existingTags.some(
+                    (existingTag) => existingTag.tag === tag,
+                  );
+
+                  if (!tagExists) {
+                    item.addTag(tag);
+                  }
+                }
+              }
               item.saveTx();
             }
           }
diff --git a/typings/i10n.d.ts b/typings/i10n.d.ts
index 284af537..c9c24707 100644
--- a/typings/i10n.d.ts
+++ b/typings/i10n.d.ts
@@ -39,10 +39,12 @@ export type FluentMessageId =
   | 'pref-advanced-stripEmptyLines'
   | 'pref-audio-autoPlay'
   | 'pref-audio-showPlayBtn'
+  | 'pref-basic-annotationTagContent'
   | 'pref-basic-annotationTranslationInBody'
   | 'pref-basic-annotationTranslationInComment'
   | 'pref-basic-enableAnnotationFromSyncTranslation'
   | 'pref-basic-enableAuto'
+  | 'pref-basic-enableAutoTagAnnotation'
   | 'pref-basic-enableComment'
   | 'pref-basic-enableHidePopupTextarea'
   | 'pref-basic-enableNote'
diff --git a/typings/prefs.d.ts b/typings/prefs.d.ts
index 7fa63db3..6c2655c0 100644
--- a/typings/prefs.d.ts
+++ b/typings/prefs.d.ts
@@ -13,6 +13,8 @@ declare namespace _ZoteroTypes {
       "enablePopup": boolean;
       "enableComment": boolean;
       "enableAnnotationFromSyncTranslation": boolean;
+      "enableAutoTagAnnotation": boolean;
+      "annotationTagContent": string;
       "annotationTranslationPosition": string;
       "enableNote": boolean;
       "enableNoteReplaceMode": boolean;