Preparation materials: Tik Tok APP, smart phone.

1. Open Tik Tok and click the+sign.

2. Click "Upload".

3. Enter the "next step".

4. Enter "Special Effects".

5. There are three kinds of screens to choose from: three screens, fuzzy split screen and black-and-white split screen, all of which can be divided into three screens. The "three screens" are normal, the middle of the "fuzzy split screen" is clear and fuzzy, and the "black and white split screen" is black and white. Take it. Add special effects.

6. Click "Save" after adding the three-screen special effects, and finally publish.