Tools/Materials: Apple 6S mobile phone, Douyin APP.

1. First, click on the Douyin APP on the mobile phone desktop.

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2. Click the plus key at the bottom of the screen.

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3. Click Upload at the bottom of the screen.

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4. Click on the one to add background music video.

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5. Click on Change Music in the upper right corner of the screen.

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6. Click on a desired music and click Use .

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7. Click Next.

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8. Check Save Local.

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9. Finally, click Save Draft or Publish That's it .

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