There is no optimal way to reduce fever in children, and the appropriate method of reducing fever should be chosen according to the degree of elevated temperature, such as physical cooling, oral medication, etc. It is also important to treat the cause of fever. It is also important to treat the cause of the fever. Fever is a common symptom in childhood, for children with fever, the speed of temperature return to normal is related to the state of the disease and the choice of the correct antipyretic method, there is no best antipyretic method. For children with fever but body temperature <38.5 ℃ can use warm water on the child's forehead, reduce the clothing worn and other physical cooling methods to lower the temperature, encourage children to drink more water, some children's body temperature can gradually decline, for children with body temperature ≥38.5 ℃ need to use antipyretic drugs such as ibuprofen, acetaminophen and other antipyretic treatments under the guidance of a doctor. At the same time for the cause of the treatment is also very important for the recovery of body temperature, such as bacterial infection caused by respiratory tract infection, need to actively use antibacterial drugs such as cefaclor, cefdinir and other anti-infective treatment. All of the above drugs should be used under the guidance of a doctor, avoid self-medication. It is recommended that children with fever seek prompt medical attention and be evaluated for treatment by a specialist.