The setting method of three-screen special effects is actually not difficult. After opening Tik Tok's homepage, users need to click the "+"button at the bottom to enter the shooting page and select the "props" function in the lower left corner to set the required special effects. The setting method of three-screen special effects is actually not difficult. After opening Tik Tok's homepage, users need to click the "+"button at the bottom to enter the shooting page and select the "props" function in the lower left corner to set the required special effects.