Infant refers to children 0-11 months old, fever generally refers to body temperature over 37.5 ℃, infant fever can be dealt with by physical cooling or medication. 1. Physical cooling: fever need to remove excess clothing, warm water bath, soak in warm water bath to help children’s body temperature down, but be careful not to use alcohol bath, let the child drink more water to promote urination, at the same time you can use physical antipyretic patch. 2. Drugs to lower the temperature: you can use the active ingredient for ibuprofen, acetaminophen children’s form of drugs, dosage, frequency of use, applicable to the population and precautions, etc. please follow the doctor’s instructions. If the infant has a high fever that does not go down, the condition does not improve, or there is dehydration, depression, respiratory effort, etc., please consult a doctor immediately for regular treatment under the guidance of a doctor.