Effective. Tik Tok takeaway contract is a paper contract, and it is valid as long as the parties are suitable, the meaning is true and it does not violate the law. Therefore, the Tik Tok takeaway contract is valid when it is not online. Use of Tik Tok: Download Tik Tok app, log in, click the plus sign in the middle below to enter the interface, then select your favorite music, click OK and shoot. Then enter the shooting interface and click the red button to shoot.