Baby fever, body temperature of 38.5 ℃ or less need to carry out physical cooling, if necessary, can use acetaminophen or ibuprofen antipyretic, at the same time need to clarify the cause of fever treatment. Fever is a common symptom in pediatrics, for baby fever, body temperature 38.5 ℃ or less, can be used first line of warm water wipes and other ways of physical cooling, and closely monitor the temperature change, for the temperature continues to rise more than 38.5 ℃, or the baby due to fever produce obvious discomfort (such as muscle pain, general weakness) can be used under the guidance of a physician antipyretic drugs (such as ibuprofen or acetaminophen) treatment. At the same time for such babies, need to clarify the cause of fever, and the cause of treatment, such as acute purulent tonsillitis, may appear fever, examination of bilateral tonsil enlargement, can be seen in purulent secretion attached, need to use antibacterial drugs (such as cefaclor) active anti-infective treatment. In Kawasaki disease, the above symptoms can also appear, such babies need oral aspirin after the diagnosis is clear, only oral drugs can not be good treatment of this disease, at the same time need to be treated with intravenous infusion of gammaglobulin. All of the above medications should be used under the supervision of a physician, and it is recommended to consult a specialist for a comprehensive assessment of the condition and appropriate intervention.