If the toothache can be treated, it is recommended to do root canal treatment, and it is recommended to extract the toothache if it can’t be retained. 1. Root canal treatment: root canal treatment is to kill the nerve treatment, toothache is often due to pulpitis or periapical inflammation caused by the examination, after the examination, if you can carry out root canal treatment is recommended to do root canal treatment, and then the root filling to do crown repair. The tooth can be retained, as far as possible to retain the integrity of the teeth. 2. Extraction: If the teeth are split longitudinally or the teeth can not be retained after treatment, it is recommended to be extracted and then prosthetic restoration. The general principle of dental treatment is to preserve the living pulp if it can be preserved, and to preserve the affected teeth if it cannot be preserved; if the affected teeth cannot be preserved, then they will be extracted and then prosthetically restored. It is recommended to consult a doctor for treatment.