Dry socket is usually able to recover in 1~2 weeks. 1. Dry socket is an acute infection that occurs after tooth extraction, which usually occurs when mandibular wisdom teeth are extracted. Typical symptoms are severe pain in the extraction socket within 2~3 days after extraction, which radiates to the temporal part of the ear and the top of the head, and oral pain medication is ineffective, and the examination shows that the extraction socket is empty, with decayed and necrotic granulation tissues, and accompanied by a putrid odor. 2. The principle of treating dry socket is to clear the wound thoroughly, isolate the external stimulus and promote the growth of fresh granulation tissue. Under local anesthesia, use saline and hydrogen peroxide to rinse the extraction socket repeatedly, and then put iodoform gauze into the extraction socket. Generally, the extraction socket will be gradually healed in 8~10 days, and it can be recovered in 1~2 weeks. Dry socket timely to the hospital, in the doctor’s advice, timely debridement, so as not to delay the condition, the use of drugs need to follow the doctor’s advice.