Treatment of tooth pain needs to be based on the cause of the toothache: first, pain caused by caries, usually need to use a fast handpiece for grinding, grinding away the decayed material and then fill the tooth afterward, which will not produce tooth pain. Second, if the pain is caused by pulpitis, usually need to drill the tooth to do the treatment of killing the nerve. Third, if the pain is caused by occlusal pain, that is, the pain caused by apical periapical inflammation, you need to carry on the root canal treatment, and oral medication to reduce inflammation and relieve pain. Fourth, if the pain is caused by periodontal abscess, it is necessary to incise and drain the pus when there is a sense of fluctuation, and then do periodontal serial treatment after the swelling is reduced, that is, scaling and subgingival scraping, and it is necessary to localize the medication, and use mouthwash appropriately. Fifth, if it is due to the headache caused by pericoronal abscess, you need to carry out pericoronal local rinsing, oral medication for anti-inflammatory. Sixth, if the pain is caused by tooth splitting, usually need to be extracted, if there is swelling need to be anti-inflammatory first, and then can be extracted.