Infants with fever need fever-reducing treatment through physical and medication, as well as treatment of the cause of the fever. If the body temperature is less than 38.5 ℃, you can first use physical cooling, use warm water to wipe the baby’s face, neck, armpits, through the evaporation of water to take away the heat, let the child drink more warm water, try not to wrap too thick. If the body temperature is greater than 38.5 ℃, you can follow the doctor’s instructions oral antipyretic medication, along with physical cooling, moderate drinking water. Actively find the cause of fever, such as colds, the use of cold and fever granules and other proprietary medicines; intestinal infections, the use of probiotics, cephalosporins and other drugs. Therefore, the fast way to reduce fever is to take oral antipyretic drugs, along with physical cooling, drinking plenty of water, treating the cause of fever, and trying to take the child to the hospital in time.