Children with gastroenteritis fever, considered to be caused by intestinal bacterial infection, you can carry out physical cooling or with a professional doctor for fever reduction treatment, and under the guidance of the doctor to take medication for gastroenteritis. 1. Physical cooling: For the symptoms of fever in children with gastroenteritis, you can put on antipyretic patches, take a hot bath or wipe the body with a hot towel, and the parts that need to be wiped are mainly the forehead, armpits, neck, groin, popliteal fossa, and palms and feet, etc., to physically cool down the temperature. 2. Fever-reducing treatment: If the child’s gastroenteritis fever, body temperature reaches 38.5 ℃ or more, should be under the guidance of a professional doctor to take antipyretic drugs, such as ibuprofen, acetaminophen and so on. 3. For the treatment of gastroenteritis: for the treatment of gastroenteritis, you can take drugs to promote gastrointestinal digestion under the guidance of a professional doctor, such as pepsin, drugs to regulate the gastrointestinal flora such as bacillus subtilis bacillus granules, such as bacterial infections can be used antibiotic drugs such as cefixime. If the child gastroenteritis fever, it is recommended to go to the regular hospital as soon as possible to consult and treatment, do not delay treatment, to help the condition of rapid recovery. The above drugs need to be used in accordance with medical advice.