First, open Tik Tok in your mobile phone and click the plus sign; Then in the opened page, click "red circle" to shoot; Then in the open page, click the "down arrow" on the right after shooting; Then in the open drop-down menu, click "Dubbing"; Choose the voice "I just want an ice mound"; Finally, click or long press dubbing, you can choose to keep or not keep the original video sound, and click "Save" after matching; Do it.