Tik Tok is set according to the user service agreement and privacy.

A prompt appears: "According to the user service agreement and privacy settings, Tik Tok cannot send private messages" because the user has set it as a private account. Privacy permission setting method:

1. Open the Tik Tok application on your phone.

2. log in to Tik Tok.

3. Click the menu icon in the upper right corner.

4. Click the setting options in the menu list.

5. Click the Privacy Settings option in the Settings list.

6. According to personal needs, you can turn on or off the privacy settings you need or don't need.