Dry socket can be treated by surgery, general treatment, medication and other methods. Daily attention should be paid to oral hygiene and good local care. It is recommended that patients go to the hospital in time and make a treatment plan under the guidance of the doctor. Dry socket is a limited secondary infection of the bone trauma of the alveolar fossa after tooth extraction, which is mainly manifested as persistent severe pain 2~3 days after tooth extraction. It can be treated by the following methods: 1. Surgical treatment: through local anesthesia, use 1~3% hydrogen peroxide solution or 1:5000 potassium permanganate solution, wipe the tooth extraction wound. Then rinse the extraction socket with mouthwash and add anti-inflammatory and pain relieving drugs to relieve the patient’s pain symptoms. 2. General treatment: Pay attention to oral hygiene and cleanliness to prevent food from entering the alveolar fossa. Diet to avoid eating too hard, too cold, too hot food, etc. 3. medication: at the same time follow the doctor’s instructions oral antibiotics and non-steroidal anti-inflammatory drugs. Commonly used antibiotics are penicillin, ceftazidime, ceftriaxone and so on. Non-steroidal anti-inflammatory drugs are ibuprofen, aspirin, etc., with anti-inflammatory, analgesic effect. It is recommended that patients go to the hospital in time, and develop a treatment plan under the guidance of the doctor.