There is no “fast” way to reduce fever in children, and the conventional methods to reduce fever include physical cooling and medication. It also needs to be judged according to the specific cause of the disease, which may be related to infectious factors and non-infectious factors, so as to treat the cause of the disease. 1. Fever-reducing methods: (1) If the child’s fever is not serious, axillary temperature <38.5 ° C, no obvious discomfort, you can take warm water on the forehead, reduce the clothing worn and other physical cooling methods to lower the temperature, and encourage the child to drink more water. (2) If the child's axillary temperature is ≥38.5°C and uncomfortable, antipyretic drugs such as ibuprofen or acetaminophen can be given under the guidance of a doctor, with an interval of at least 6 hours between doses. 2. Infectious factors: children with fever need to go to the hospital for routine blood tests, may be related to bacterial infection, viral infection and other factors, if it is a bacterial infection, you need to use cephalosporin, amoxicillin and other medications, and if it is a viral infection, it can usually be cured. 3. Non-infectious factors: children's fever may also be related to non-infectious factors, such as juvenile rheumatoid, lupus erythematosus, leukemia, etc., you need to go to the hospital in a timely manner to conduct relevant examinations, to clarify the cause of the disease, and then actively treat the symptoms. The above medications are recommended to be taken under the guidance of a doctor, and should not be used on their own.