The doll had a recurrent fever for three days, during which the fever needed to be reasonably reduced, and the cause of the fever (e.g., respiratory infection, etc.) needed to be clarified and treated appropriately. Fever is more common in pediatrics, so it is necessary to reasonably reduce fever during the course of the disease. For the temperature exceeds 38.5 ℃, it is necessary to use antipyretic drugs (such as ibuprofen or acetaminophen) to symptomatically reduce the fever, and for the temperature is not more than 38.5 ℃, children can use antipyretic patches and so on to physically reduce the temperature. At the same time, it is very important to clarify the cause of fever and treatment, such as acute upper respiratory tract infection, mostly caused by viral infections, can appear repeatedly fever, fever can last 2~3 days to about 1 week, combined with bacterial infections need to use antibacterial drugs (such as cefaclor) anti-infection treatment. In addition, Kawasaki disease can also be repeated fever, the use of antibacterial drugs treatment is ineffective, in addition to fever symptoms, there may be hard swelling of the hands and feet and chapped lips and other symptoms, after the diagnosis is clear, the need to use gammaglobulin and aspirin and other treatments. All of the above drugs should be used under the guidance of a physician, and it is recommended to actively seek medical advice and treatment from a specialist.