Tools: mechanical revolution S3Pro, Windows 10, Niu Qian workbench V4.69.0.

1. Open the Niu Qian workbench with a computer, and select Store Management-Picture Space on the left side of the home page of the seller's workbench.

2. Enter Taobao Wangpu Material Center, select video, and click Video Production.

3. Select the main video, and then select Quick Release. Select the video to edit, and click OK to finish editing.

4. Select the ratio of 3:4, and then add labels, up to 3 labels can be added.

5. When adding labels, a selection box will pop up. You need to fill in the category and label content, and then click OK.

6. Add labels as shown. End at the last point.