Toothache when it is not the acute stage of swelling and infection can be extracted, such as dental caries, pulpitis, tooth fracture, periodontitis and other conditions can be extracted, the acute stage is recommended to suspend the extraction of teeth, it is recommended to go to the hospital for specific examination and treatment. Toothache caused by severe caries that cannot be retained, decayed milk teeth inheriting permanent embryos about to erupt, and decayed multiple teeth can be selected for extraction. Tooth extraction is available for pain caused by pulpitis in wisdom teeth, or pulpitis in retained milk teeth. If the crown of a tooth is fractured or the root is fractured and cannot be retained, and there is no obvious swelling, the tooth can be extracted. If there is periodontal inflammation that causes third degree loosening of the tooth, and the pain cannot be relieved after treatment, the tooth can be extracted. If there is an acute abscess, it is recommended that the tooth be extracted after the inflammation has basically subsided.