If your child has a simple fever, it is recommended to apply antipyretic medication, such as ibuprofen or acetaminophen, if the temperature is higher than 38.5°C. If your child has a low-grade fever, you can give him/her physical cooling. If the child is in a low fever state, you can give physical cooling, and pay attention to diligently measure the temperature to observe the temperature changes. There must be a reason for the fever, the most common for children is infectious factors, in addition to fever, you should also pay attention to observe whether the child has pharyngeal congestion or diarrhea, headache and other corresponding symptoms, a comprehensive analysis of the cause of the child’s illness. If the child has fever with pharyngeal congestion, it is considered to have an acute upper respiratory tract infection, and can be treated with oral antiviral drugs. If the child has recurrent fever and no other symptoms, it is recommended to immediately go to the hospital to improve the blood routine, blood sedimentation and other related tests, and if necessary, it is recommended to be hospitalized to improve the further examination, to clarify the cause of the child’s fever, and to carry out treatment under the guidance of the doctor.