The swelling after tooth extraction can be relieved by physical therapy, medication, incision and drainage. 1. Physical therapy: within 48 hours of the swelling with ice packs and other cold compresses, can promote the contraction of local blood vessels, slowing down the bleeding symptoms, in order to achieve the purpose of swelling and pain. 48 hours after the hot compresses, to promote blood circulation in the wounds, is conducive to the subsidence of the swelling. Whether cold or hot compresses, the use of temperature and use of time should be noted to prevent frostbite or burns. 2. Medication: patients with more serious swelling can use medication under the guidance of a professional doctor, such as cefixime, ornidazole, ofloxacin and so on, in order to achieve the purpose of reducing swelling. 3. Incision and drainage: If the degree of swelling after tooth extraction is more serious and cannot be relieved, it may be easy for bacteria to enter the alveolar fossa after tooth extraction, resulting in the spread of infection, and at this time it is necessary to incise and drain in order to alleviate the swelling. If the swelling of the face after tooth extraction is more serious and cannot subside, it is recommended that the patient go to the hospital for treatment according to the professional doctor’s advice, and the use of medication should be in accordance with the doctor’s instructions.