1. Create a bookmark: Select a specific text or image as the hyperlink target, and then click Bookmark on the Insert tab.
2. Enter the book signature, and then click "Add".
3. Create a hyperlink: Select the text or image to which you want to add a hyperlink, then right-click and select Hyperlink.
4. Open the "Insert Hyperlink" dialog box, select "Location in this document", then select the created book post, and finally click "OK".
5. At this point, the hyperlink is created.