Tool: Tik Tok.

1, open Tik Tok, you can find my button in the lower right corner, and click Switch.

2. In my interface, find the icon to add friends at the top right, and click Enter.

3. In the Add Friend interface, find the option to import from the address book, and click Enter.

4. In the address book interface, you can see who is playing Tik Tok in the phone address book, and then you can pay attention to adding friends in the address book.