When the baby has a fever of 39.6 ℃, it needs to be treated immediately to reduce the fever, you can take oral ibuprofen suspension. Generally, the medicine can be repeated after 4-6 hours, and the medicine should not be used more than 4 times a day, and the specific dosage needs to be used according to the instructions according to the weight. At the same time need to combine with physical cooling, use warm water to wipe the baby’s armpits, groin, neck and other places rich in large blood vessels, helps to reduce fever. Pay attention to indoor ventilation, and change sweaty and wet clothes and bedding in time to prevent secondary cold. In addition, if the child has nasal congestion, runny nose, sore throat, you need to take pediatric anerin granules; if there is diarrhea you need to take Simethicone; if none of the above symptoms, you need to go to the hospital to do a specific examination.