Children with fever up to 37.7°C are advised not to take antipyretics, only physical cooling is sufficient, and treatment of the cause of the illness is also needed. 1. Fever-reducing treatment: A child’s common body temperature is 36.3°C to 37.2°C. Clinically, fever-reducing medications such as acetaminophen are usually not needed until the fever reaches 38.5°C. If the fever is below 38.5°C, a warm washcloth on the neck and armpits is usually sufficient. If the temperature is lower than 38.5°C, warm towels are usually used to cool the child physically by wiping the neck and armpits. In addition, it is recommended that the child drink plenty of hot water to promote metabolism, which produces more urine, and the body temperature will evaporate with the urine. 2. Treatment of the cause of the disease: the child fever has many causes, can be related to infection, immunity, metabolism, trauma, tumors and other diseases, the most common factor is infection, need to be based on the specific cause of the disease to follow the doctor’s instructions for treatment. If your child has a fever of 37.7°C, and if physical cooling is ineffective or persistent, it is recommended that parents take their child to the hospital as soon as possible to identify the cause of the illness and administer medication under the guidance of a doctor to prevent the child’s illness from worsening.