The green screen keying function of OBS is relatively simple and should not achieve the expected effect. OBS will use chroma filter to subtract all the matching green colors in the collection source, and there is no way to avoid your product independently. However, more than one color can be used to mine the image itself. If you have green goods, you can also try to dig with blue, as long as you avoid wearing blue clothes. 1. Hang the green cloth neatly behind you. 2. Use OBS, add video acquisition equipment, and choose your own camera equipment. 3. Check the chroma key, and select the green color of the green cloth in the camera.