Six-year-old baby already belongs to the school-age children, fever 39 ℃ for high fever, should immediately oral antipyretics, commonly used ibuprofen or acetaminophen. After the baby ate fever-reducing drugs should be appropriate to drink more warm water, wear loose cotton clothes, conducive to sweating, heat dissipation, fever, after eating fever-reducing drugs, but also can be used at the same time to assist in the physical cooling methods to reduce fever, such as sticking a cooling patch, with warm water bath or a warm bath, etc., is conducive to reduce fever. A high fever of 39 ℃ should be treated for the cause, the common cause is viral infection or bacterial infection, viral infection is usually symptomatic supportive treatment, while bacterial infection, the condition is not serious, usually oral antibiotics anti-infective treatment, commonly used penicillin or cephalosporins, if there is a history of drug allergies, may choose azithromycin, the severity of the condition may require intravenous antibiotics, anti-infective treatment.