When a boy has a fever of 38 ℃, you need to pay attention to observe the child’s condition, drink more water, rest, and wipe the child’s armpits, groin, neck and other places rich in large blood vessels with warm water, which will help reduce fever. Once the body temperature exceeds 38.5 ℃, it is necessary to give the child antipyretic treatment, you can take ibuprofen suspension orally, usually 4-6 hours later you can repeat the medication, not more than 4 times a day. According to the weight of the child according to the instructions for the dosage of medication. If the child’s mental state is not good, go to the hospital quickly.