1. First, open Meitu Xiu Xiu software, select the video editing function, import the video to be compressed, and enter the editing interface.

2. Secondly, in the editing interface, find the resolution option and choose a smaller resolution. The smaller the resolution, the smaller the video file, so as to achieve the purpose of compression.

3. After the final adjustment, save the video. When saving, the software will automatically compress the video file size.