Children’s toothache may be caused by dental caries, pulpitis, periodontitis and other causes, it is recommended to identify the cause of the disease before pain relief and other treatments. 1. Dental caries: If the patient has dental caries caused by improper diet, it will cause toothache, which can be relieved by the use of sodium fluoride glycerin paste, ibuprofen, silver nitrate and other drugs under the guidance of the doctor, and if a cavity is formed, filling treatment can be considered. 2. Pulpitis: If the child suffers from pulpitis, it may cause severe tooth pain, and the patient can choose root canal treatment under the doctor’s advice. 3. Periodontitis: If children suffer from periodontitis, there may be toothache, red and swollen gums, loose teeth and other symptoms, you can follow the doctor’s instructions with erythromycin, metronidazole, amoxicillin and other drugs for treatment. Children’s toothache can not be relieved, should go to the hospital in time for diagnosis, to clarify the cause of the disease after symptomatic treatment.