1. First prepare the videos to be added and put them in the mobile phone album. If you need videos from Douyin, you can save them to the same place, then open Douyin and click the "+" below.

2. Click "Upload".

3. Click "Multiple Selection" in the lower left corner, select two videos, of course, you can also select more than one, and click "Next" in the upper right corner.

4. In this way, two or more videos will be added. We can drag the box to select the required videos, and click "Next" after selection.

5. Continue to click "Next".

6. Add a title and topic description, click "Publish", and the two videos will be combined into one.

Introduction to shooting methods:

1. This is synthesized by software, which means you need to make it yourself. There are many self-made software, such as iCut, video collage

2. Then shoot a single-person version first

3. Download the video you want to be in the same frame, save it in your phone, and then download the video you shot yourself and save it on your phone

4. Use the software to synthesize and save it directly, and then upload it to Douyin.