The operation method is as follows:

1. First log in to Douyin, and then select "+", as shown in the figure below.

2. First "select music" here, as shown in the picture below.

3. Use music, as shown in the picture below.

4. Select to start shooting, as shown in the picture below.

5. Click "Special Effects", as shown in the figure below.

6. Select "Time Effect", select "Slow Motion", drag the green slider to determine the position where slow motion starts. Slow motion duration: The slider is at the starting position of 0-6 seconds. ; Middle position: 3 seconds before and 3 seconds after; End position: 6 seconds before the end. Click "Save" after confirmation, as shown in the figure below.

7. Click "Next" and publish, as shown in the figure below.