If the infant’s fever is lower than 38.5℃, you can use more water, reduce clothing, lower room temperature and other methods to reduce fever, if it is greater than 38.5℃, follow the doctor’s advice to take acetaminophen, ibuprofen and other antipyretic drugs. 1. If the body temperature is lower than 38.5 ℃, and the mental state is good, you can use more water, reduce clothing, lower the room temperature and other methods to promote fever reduction. Fever is a self-protection mechanism and can be reduced slowly if the situation permits. 2. If the temperature is higher than 38.5 ℃ and the child is obviously uncomfortable, you can follow the doctor’s instructions to take some antipyretic drugs, such as acetaminophen, ibuprofen, etc., and closely observe the child’s mental state. If the mental state deteriorates, or the temperature continues to rise more than 39 ℃, we should send to the doctor in a timely manner, in the fever at the same time on the treatment of the original disease, to promote the baby discomfort as soon as possible to improve the situation. All of the above medications should be used under the guidance of a doctor, avoid self-medication.