1. Open Tik Tok, enter the application, click "I" below, and then select the icons of three points at the top right of the page to enter the setting interface of Tik Tok.
2. In the Tik Tok setting interface, select the "Feedback and Help" option in the page to enter.
3. Click to enter and select the option of "reporting/cooperating/complaining about infringement" to enter.
4. After clicking, select the "Cooperation" option in the page to enter.
5. After entering, you can see the options for cooperation. Click this option to enter and send the cooperation email according to the requirements of Tik Tok.