Children with a fever of 39 degrees should promptly take oral antipyretic drugs, such as ibuprofen and acetaminophen. With physical cooling, such as taking a hot bath or using a warm towel to wipe the child’s armpits, neck, groin and other areas rich in large blood vessels to cool down. Since the central nervous system is very sensitive to temperature, when children develop high fever, they are likely to develop febrile convulsions (convulsive seizures due to high fever), and irreversible damage to the central nervous system. When a child develops a high fever, it is important to take oral ibuprofen and other antipyretic medications in a timely manner to avoid causing febrile convulsions. Common causes of fever in children include bacterial and viral infections and mycoplasma infections. Parents in the fever at the same time, to take the child to the hospital to do some relevant examination to identify the cause of the child’s fever. It is recommended that children with fever should be properly hydrated, drink water to promote blood circulation in the body, and help the baby urinate and sweat to promote the body temperature down. Fever will cause the child to lose appetite, you can give the child some light and nutritious food.