Tooth abscess may be caused by periapical abscess, periodontal abscess, etc. It can be treated by medication (e.g. metronidazole) and surgery. 1. Periapical abscess: the disease may be caused by pulpitis, and the mucous membrane of the affected area may be congested and red. Root canal treatment or antibiotic anti-infection treatment can be used under the guidance of physicians, commonly used drugs are cefradine, amoxicillin, etc.; ibuprofen can be taken to alleviate the pain when it is severe; acute patients can be opened to drain the pulp; abscess has been formed can be incised to drain the pus. 2. Periodontal abscess: this disease is related to periodontitis, the patient’s gums localized swelling protrusion. Can use periodontal sequence treatment and auxiliary under the guidance of the physician to use metronidazole, ornidazole and other drugs to control the infection; according to the condition of the acute stage can be blind pocket cleaning, incision and drainage, etc.; chronic patients can be periodontal flap surgery. It is recommended to go to the hospital in a timely manner to identify the cause of the disease and then carry out the relevant treatment.