When a young child shows signs of fever, parents should not panic first. First, they should clarify the causes of fever, such as colds and digestive system diseases, so as to give targeted treatment for the cause. Secondly, the baby should be handled according to the temperature of the fever, fever is usually divided into two categories: first, low fever; second, high fever. Specific treatment is as follows: first, low fever: under the state of low fever, especially when the body temperature is below 38 ℃, parents are usually advised to give young children physical cooling, you can wipe with warm water, drink more warm water or take a hot bath, etc., can play a good role in reducing fever. Second, hyperthermia: body temperature ≥ 38.5 ℃ or in a hyperthermic state, such as body temperature > 39 ℃, it is necessary to take antipyretic drugs for treatment, antipyretic drugs can choose to take orally or antipyretic suppositories. If there is no significant improvement after applying antipyretic drugs at home, or if the child does not eat antipyretic drugs, the child can be taken to the hospital to take intravenous antipyretic drugs to reduce fever, which should be done under the guidance of a doctor. After applying the antipyretic medication, it is necessary to cooperate with physical cooling to carry out the treatment, which is more conducive to the temperature receding to normal.