2. Click the item marked in the toolbar.

3. Enter the tag index option, enter the primary index entry, and then click Tag.

4. After clicking the tag, you can see it when you return to word. After the surrender text, add a special tag.

5. After adding the index entry, click Reference-Insert Index in the ribbon above, and the template style and alignment can be modified in the pop-up dialog box.

6. After the setting is completed, the mark is ready.