If the pain after wisdom tooth extraction is caused by trauma, pain relieving medication can be taken to relieve the pain, such as ibuprofen, etc. If the pain is caused by infection, the alveolar fossa needs to be scratched and rinsed to control the infection, and if the pain is caused by dry socket syndrome, it needs to be thoroughly cleaned and isolated from stimulation. 1. Trauma: the trauma of tooth extraction will cause pain, taking pain medication can relieve the pain, such as ibuprofen, diclofenac sodium, etc. The medication should be used under the guidance of the doctor. 2. Infection: foreign objects such as tooth fragments, bone fragments, tartar and residual granulation tissue in the alveolar fossa can cause chronic infection and pain symptoms. Thoroughly scratching and rinsing the alveolar fossa under local anesthesia can relieve pain by removing the foreign objects and inflammatory granulation tissue and controlling the infection. 3. Dry socket: manifested as severe pain 2~3 days after tooth extraction, need for thorough debridement of the alveolar fossa, the use of hydrogen peroxide solution cotton balls repeatedly wiped, filled with iodoform gauze after sewing both sides of the gums, in order to isolate the external stimulus. There may be other reasons for the pain after wisdom teeth removal, so it is recommended to visit the hospital in time to receive professional treatment as early as possible.