One and a half year old baby fever, according to the degree of fever using drugs to lower the temperature or physical cooling, as well as the treatment of the original disease of the combination of ways to reduce the child’s fever. 1. In general, the child’s temperature exceeds 38.5 ℃, can be used under the guidance of the physician antipyretic drugs, such as ibuprofen, etc., to help control the temperature. 2. Physical cooling. As far as possible to ensure that a small amount of water as many times as possible, warm towels to wipe the body, appropriate reduction of clothing but need to pay attention to avoid catching cold. If after taking fever-reducing medication, the child’s state of eating, drinking, sleeping and playing is still not good, or the child’s mental state is still good, but the persistent high fever, it is recommended to take the child to the hospital for examination in a timely manner, to find the cause of the fever, and to carry out the treatment of the original disease.