The temperature of fever is above 37.3℃ is considered fever, and according to the degree, it can be classified as low fever, moderate fever, high fever and ultra-high fever. If the body temperature is between 37.3-38℃ is low fever, 38.1-39℃ is moderate fever, 39.1-41℃ is high fever, and over 41℃ is super high fever. For low fever, moderate fever, high fever or ultra-high fever, different treatment methods can be taken, like when the child has a low fever, it is generally not recommended to use drugs to reduce fever, it is relatively recommended to use physical cooling methods, which may be less harmful to the child and relatively better. If the child is moderate fever or high fever in 38.5 ℃ or more, in addition to the use of physical cooling, it is necessary to use drugs to reduce the child’s temperature as soon as possible, to avoid febrile convulsions, or the metabolic disorders caused by high body temperature. In addition, if there is a super high fever, rescue treatment must be carried out immediately to actively control the child’s temperature and find the original cause, because super high fever may cause serious disorders of the child’s metabolism, resulting in increased respiratory heart rate, convulsions or liver and kidney function damage, and even death. Therefore, for the child’s temperature, different treatment should be carried out according to different states