Thirteen-year-old child fever 39.5 ℃ in the antipyretic treatment at the same time, to address the causes of fever treatment. Thirteen-year-old child fever 39.5 ℃ belongs to high fever, first of all, under the guidance of the doctor to use ibuprofen, acetaminophen and other medications, and secondly, the use of warm water on the forehead of the child, warm baths, reduce the wearing of clothing, antipyretic stickers to reduce the temperature of the room, etc., through conduction, convection and evaporation to take away the body’s heat, so that the child with fever feel comfortable. There are many causes of fever in thirteen year olds, and treating the cause is also important for temperature recovery. If the respiratory tract infection caused by bacterial infection, need to actively use antibacterial drugs such as cefaclor, cefdinir and other anti-infection treatment. In addition to medication, it is also necessary to pay attention to a light diet, proper rest, and ensure enough sleep. All of the above drugs are recommended to be taken under the guidance of a doctor, and should not be used on their own. There are many other causes of fever in thirteen year old babies, it is recommended to consult a doctor in time and be evaluated and treated by a specialist.