When a child has a fever of 39°C, as long as the mental state is good, it means that the child’s condition is not particularly serious and there is no need to worry too much. In general, if a child has a high fever and appears irritable or depressed, it means instead that the condition is more serious. Although the condition is not very serious, but the body temperature is also relatively high, has exceeded 38.5 ℃, still need to give children oral ibuprofen suspension or acetaminophen suspension for fever reduction treatment. Otherwise, the fever will easily cause febrile convulsions, which can cause irreversible damage to the child’s brain cells or brain function, which is very dangerous. In addition, you can also give your child a combination of physical cooling methods, such as a fever patch on the child’s forehead, for the protection of brain function is still a certain benefit, you can also use a warm towel, the child’s whole body skin rubbing, for reducing body temperature effect is also relatively good.