Wisdom tooth extraction swelling can usually be reduced in 3~5 days, postoperative cold compresses and compression bandages will help reduce swelling as follows. If the trauma caused by tooth extraction is too large, postoperative swelling may occur, often appearing 12~24 hours after surgery, and gradually subside within 3~5 days. Individual differences in swelling are obvious, and most often occurs in the anterior cheek swelling caused by mandibular wisdom teeth removal. The swelling is usually loose and elastic, and the skin can be pinched with the fingers. Postoperative cold compresses or compression bandages can help reduce the swelling response. If the swelling is severe and remains unrelieved, or if other symptoms occur, it is recommended to visit the hospital in time to identify the cause of the problem with the help of the doctor and to make targeted treatment.