There is no standardized and rapid way to reduce fever in children. Children with fever need to be closely observed for vital signs and mental status, and physical cooling and medication should be taken to help reduce the fever, as well as to seek medical attention in a timely manner. If the child’s armpit temperature is between 37.3-38.5 degrees Celsius, observe the child’s limbs and hands and feet warm, no chills, mental state is good, it is recommended to use physical cooling methods, a small number of times to drink warm boiled water, with a warm wet towel to wipe the palms of the hands, feet, armpits, chest, the base of thighs and other parts of the body in order to assist in the body to dissipate heat. If the child’s armpit temperature is higher than 38.5 degrees Celsius, it is recommended to apply antipyretic drugs, such as acetaminophen, ibuprofen, etc., under the guidance of a doctor in a timely manner; for children whose fever leads to drowsiness, convulsions, or who have cardiorespiratory insufficiency, epilepsy, etc., antipyretic drugs should be applied in a timely manner, even if the body temperature does not reach 38.5 degrees Celsius. Children with fever, except active antipyretic, it is recommended to go to the hospital as soon as possible, to clarify the cause of the disease and symptomatic treatment. The above medication should be used under the guidance of a doctor.