1. Click the add video icon. Open the Tik Tok APP and click the+icon at the bottom; 2. Choose live broadcast. Click the video shooting interface to start the live broadcast; 3. Start live video. Enter the live interface and click the bottom to start live video; 4. Select the interactive icon. In the live interface, click the interactive icon at the lower left; 5. Choose a multiplayer chat room. Click the chat room in the pop-up online game selection window; 6. Open the invitation connection. In the chat room interface, click the invitation link on the right; 7. Find the settings. Pop up the invitation connection window, find and click Settings; 8. Select the grid layout. Enter the chat room settings interface, and click the grid layout.