1. Open the mobile phone desktop and click Tik Tok Audio & Video app to enter.

2. Enter the page and click the+sign in the middle at the bottom, as shown in the figure.

3. After entering, click Select Music in the middle above, as shown in the figure.

4. After entering, just select music and you can search in the search box.

5. Next, in the content of the search, click on the recommendation.

6. Finally, there is a prompt page to recommend this song. Click Submit below to upload music to Tik Tok.