Children with toothache and recurrent fever need to be brought to the doctor for examination, treatment of the cause and symptomatic treatment. 1. Treatment of the cause: the child’s toothache and recurrent fever is considered to be related to periodontitis, need to be treated with metronidazole, tinidazole and other drugs under the guidance of the doctor. There may also be pulpitis, which requires timely treatment with root canal therapy to prevent recurrent fever or pain. 2. Symptomatic treatment: If there are obvious symptoms of fever, you need to carry out physical cooling or medication, such as using towels to wipe the body, you can also use acetaminophen, ibuprofen and other medications, to avoid aggravation of the symptoms. Usually need to pay more attention to the child’s dental condition, regular medical oral examination, the use of drugs need to follow the doctor’s instructions.