Children with a fever of 39 degrees without the best way to lower the temperature, usually can be taken to take antipyretic drugs to reduce fever, at the same time can be combined with physiotherapy comprehensive fever, specific methods need to follow medical advice. 1. taking antipyretic drugs: children with a fever of 39 degrees, need to use drugs under the guidance of a doctor to reduce fever, commonly used antipyretic drugs are acetaminophen, ibuprofen, etc., the amount of drugs strictly follow the doctor’s instructions, the two medication at least 6 hours apart. 2. Physical therapy: keep the room quiet and air circulation, followed by maintaining the appropriate indoor temperature and humidity, etc.; you can use warm water to wipe the child’s head, neck, armpits, groin and other large blood vessels in the superficial place to reduce fever; or the head of the antipyretic patch. In addition, the child has a fever of 39 degrees, it is recommended to consult a doctor in a timely manner, to clarify the cause of fever after targeted treatment and treatment.