You can log in to your mobile phone device through the login device management of Tik Tok, and you will know who else has logged in to your Tik Tok besides you. The specific operation steps are as follows:

Take Tik Tok version 22.5.0 of ios system as an example.

Step 1: Open the Tik Tok interface and click Me in the lower right corner;

Step 2: On my page, click on the three bars in the upper right corner;

Step 3: After the options appear on the right, click Settings;

Step 4: In the setting interface, click Account and Security;

Step 5: In the account and security interface, click Login Device Management;

Step 6: Enter the login device management interface, where you can check which mobile devices are logged into your Tik Tok. If a strange device is logged in, you can delete the mobile device.

That's all I shared. I hope I can help you.