Yes.

1. First, click to open the Douyin software, and click the plus sign in the middle of the menu bar.

2. Then click Start Live Broadcast in the options at the bottom of the screen.

3. When you need music during live broadcast, you can use mobile phone music software to play it externally, or you can use other devices to play it. The above is how Xiaomi Live broadcasts and plays music at the same time.