Children who do not have a fever during the day and have a fever at night may have a respiratory tract infection, which can be treated with physiotherapy and medication. 1. Physical therapy: If a child has a fever of 37 degrees to 38.5 degrees between the physical therapy can be used, mainly the use of warm towels to wipe the child’s body, such as armpits, limbs, neck, groin and other parts of the body, each time to wipe ten minutes or so, due to the richness of blood vessels in these parts of the body, wiping can be better to lower the temperature. 2. medication: small children do not have a fever during the day to the night and fever, mostly due to bacterial or viral infections caused by fever, when the child’s temperature is higher than 38.5 degrees, you can take acetaminophen tablets, ibuprofen tablets and other drugs to reduce fever. If a child has a recurring fever, accompanied by other discomforts, it is recommended to go to the hospital in a timely manner.