When a child has a fever of 38 degrees, the first step is to identify the specific cause of the fever. The axillary temperature does not exceed 38 degrees 5, generally do not need to take antipyretic drugs. The body can mobilize the body’s autoimmune function to dispel the evil through the body, which can be combined with physical therapy methods, such as a warm bath. If the body temperature exceeds 38 degrees 5, symptomatic treatment with antipyretics can be given as appropriate. The use of drugs or physical cooling is only a symptomatic treatment method, according to the clinical manifestations should do the corresponding auxiliary examination, such as blood routine, c-reactive protein test, to clarify the cause, and then choose the targeted program.