Children with toothache and fever may need to always monitor the body temperature, cooling treatment, anti-infection treatment, endodontic treatment, etc. It is recommended to go to the hospital for specific examination and diagnosis, and it is recommended to follow the doctor’s instructions for medication. 1. children with toothache fever may need to monitor the body temperature, to avoid the phenomenon of febrile convulsions, and the need for physical cooling treatment, if necessary, with medication antipyretic treatment, commonly used ibuprofen suspension, acetaminophen and so on. 2. children’s toothache caused by fever, very likely to be infected, commonly used anti-infective drugs are cefaclor dry suspension, erythromycin dry suspension or cefixime particles. 3. children may have a toothache is an abscess at the root tip, usually need to do endodontic treatment, which is often referred to as root canal treatment, the pus will be discharged from the pulp cavity, can relieve the pain and the development of the disease. It is recommended that you seek medical attention and use medication as prescribed by your doctor.