1. First click to enter the "Search History" page, where you can see all the keywords searched before, and you can view and clear them at any time. To clear the search history, press and hold the keyword you want to delete, and then select Delete.

2. Secondly, enter the "Me" page of Tik Tok, click the "Settings" button, and then select "Privacy Settings".

3. Finally, on the privacy settings page, select "Clear Search History" to turn off the "Search History" function.