The method to retrieve deleted bookmarks is as follows:

1. First open the QQ browser on your computer, and then click the "Main Menu" button in the upper right corner.

2. Next, click the "Bookmark/Network Bookmark Recovery" menu item in the pop-up menu.

3. The page for restoring the historical version of the bookmark will open. Here you can see the situation after each change of the bookmark.

4. Next, click the "View Bookmark Contents" shortcut link on the right.

5. At this time, you can open the list of current bookmarks, and you can click directly to open the corresponding bookmark.

6. Find the web bookmark you want to restore by viewing it, and then click the "Restore" button above.