1. Search and download suitable short video applications, such as ks, Tik Tok, volcano video, etc. in the app store of Xiaomi mobile phone. After installation, open the application and register an account.

2. Log in the account and enter the application main interface. Click Personal Center or Account Settings, which can be found in the bottom navigation bar or sidebar.

3. On the personal center or account setting page, find and click "real name authentication" or similar options. Through the application requirements, provide personal identification information such as real name and ID number, and upload photos of ID documents for verification. Ensure that the information provided is accurate.

4. After submitting the application for real-name authentication, wait for the application to review your identity information. This process will take some time. After the real-name authentication is passed, you can start publishing videos to join Xiaomi video from the media.