A newborn’s body temperature of 37.2°C, whether from axillary or anal temperature, does not fall into the category of fever. Three sites are commonly used to measure body temperature, namely the oral cavity, axilla and anus. Under normal circumstances, the newborn’s oral temperature is between 36.2-37.3℃, the anal temperature is between 36.2-37.8℃, and the axillary temperature is between 36℃-37℃, which is feverish only if it exceeds the normal range by more than 0.5℃. Therefore, a newborn’s body temperature of 37.2℃ is not considered fever. It should be noted that the function of the thermoregulatory center is unstable in newborns, and their metabolism is more vigorous, so their body temperature is slightly higher than that of adults, with fluctuations of about 0.6℃ for one day. In addition, the anal temperature is the closest to the deep temperature of the newborn, the measurement of the temperature of the newborn preferred to use the anal temperature, the most accurate to reflect the true temperature of the newborn’s body. Parents should pay close attention to the temperature dynamics of newborns and pay attention to timely physical antipyretic, if necessary, to the hospital neonatology department for relevant examination and treatment.