Jaw cyst after surgery to remove the swelling may need to prevent infection treatment, extraction of the affected teeth or drainage, etc., it is recommended to go to the hospital for specific examination and treatment. 1. Mandibular cyst removal routine need to prevent infection, routine need to use antibiotics to prevent postoperative infection, if there has been swelling may have been signs of infection, can be intravenous fluids to prevent and treat infections, commonly used penicillin plus ornidazole and other drugs, allergy can be used erythromycin, etc., it is recommended to follow the doctor’s instructions for use of the medication. 2. If there is a tooth involved, it may be necessary to treat the affected tooth or remove the tooth to relieve the swelling. 3. If the swelling does not subside, it may be due to poor drainage, so you can place drainage strips and bandage it with certain pressure. If the swelling persists, you should go to the hospital for review and treatment.