Children’s fever does not necessarily need to take medicine, when the temperature does not exceed 38.5 degrees can take physical cooling. When the temperature exceeds 38.5 degrees, medication can be considered. Commonly used medications for treating fever in children include acetaminophen, ibuprofen, etc. However, there is no fastest medication. However, there is no fastest medicine, it is recommended to follow the doctor’s instructions. It is not recommended to take medication immediately to reduce fever in children. If the temperature does not exceed 38.5 degrees, the general state is good, can not use drugs to reduce fever, it is recommended to prioritize the physical methods to reduce fever, such as the head of the antipyretic stickers, warm water baths and so on. If physical cooling is not relieved, and the temperature exceeds 38.5 degrees, you can seek medical advice and take acetaminophen, ibuprofen and other antipyretic medications under the guidance of a doctor to lower the temperature, but it should be noted that if the fever continues to be high, you can repeat the medication once every 4 to 6 hours, and not more than 4 times within 24 hours. The medication should be taken according to the doctor’s instructions to avoid overdose causing damage to the child’s liver and kidney function.