A newborn with an axillary temperature of more than 37.4 degrees is considered to have a fever. Once the newborn fever need to consult the doctor to give physical cooling, and at the same time to find the cause of symptomatic treatment, as soon as possible to improve the symptoms. The newborn body immunity is relatively low, the thermoregulatory center is not well developed, a variety of adverse factors may lead to fever symptoms, in which the axillary temperature of more than 37.4 degrees for the fever, specifically divided into a low fever of 37.4 degrees -38 degrees, moderate heat 38 degrees -39 degrees, high fever of more than 39 degrees. For the newborn fever need parents to give timely symptomatic treatment, such as physical cooling and drug cooling, usually more than 38.5 degrees axillary temperature consider giving medication to lower the temperature in accordance with the doctor’s orders, the specific choice of drugs in strict accordance with the doctor’s orders to ensure that the newborn medication safety. Parents should remember not to blindly give newborns to take antipyretic drugs, so as not to cause unnecessary harm.