Children can be physically cooled down if their fever does not exceed 38.5°C. If it exceeds 38.5°C, fever-reducing medication is needed. If the fever is accompanied by other symptoms or does not subside within 24 hours, it is also necessary to go to the hospital to find out the cause of the disease. If your child’s fever does not exceed 38.5℃, you can first give your child physical cooling, such as wiping your child’s body with lukewarm water or taking a lukewarm bath, and don’t wear too much or too little clothing. At the same time, give your child plenty of water to drink and urinate. If the child’s temperature exceeds 38.5 ℃, it is necessary to take fever-reducing medication, such as acetaminophen or ibuprofen, etc., can be combined with physical cooling at the same time, and pay attention to the interval between fever-reducing medication should be taken in 4-6 hours. If the child’s fever is accompanied by cough, nasal congestion, nausea, vomiting, poor mental status and other symptoms, or fever for more than 24 hours has not shown signs of improvement, it is recommended to take the child to the hospital in a timely manner, to identify the cause of fever and then treatment.