Infant fever need to clarify the cause of fever after symptomatic treatment, common physical cooling, medication, etc., the specific analysis is as follows: 1. Physical cooling: when infants and young children have a fever, if the temperature does not exceed 38.5 degrees, generally do not need to take antipyretic drugs, you can give priority to physical cooling, such as the head of the antipyretic stickers or the use of warm towels to wipe the body of infants and young children to help lower the temperature. 2. Medication: If the infant’s fever exceeds 38.5 degrees, you can take ibuprofen, acetaminophen and other drugs to reduce fever under the guidance of a doctor. If the symptoms are caused by bacterial infection, you need to take cephalosporin, amoxicillin and other related antibiotic treatment; if it is a viral infection, you can take antiviral oral liquid and other antiviral medication. There may be other causes of fever in infants and young children, and it is recommended that they go to the hospital in a timely manner, complete the examination to clarify the cause of the disease, and then give targeted treatment or therapy. Follow the doctor’s instructions for medication and avoid self-medication.