Steps:
1. Open Tik Tok, click "I", find the work whose comments you want to delete, and click Enter.
2. Click on the small icon of the comment on the right, as shown in the figure.
3. Find your own comments and click on them.
4. Click "Delete" here.
5. We can also go to "Messages" and click "Comments" on the top right.
6. You can also click on the comments to enter.
7. Find the note and click it to delete it.