A normal newborn’s temperature fluctuates between 36-37.5°C, and within this range is considered normal. Under normal circumstances, the newborn’s body temperature fluctuates within the normal range in the afternoon after breastfeeding, when crying, and when moving around. If the child’s temperature temporarily rises above 37.5 ℃, by reducing clothing and lowering the ambient temperature, the child’s temperature can quickly return to normal, which does not belong to fever, belongs to the transient temperature rise, and does not need to be dealt with. If the child’s body temperature continues to exceed 37.5 ℃, through the means of heat dissipation body temperature continues not to fall, this situation is considered fever. The resistance of newborns is relatively poor, when the fever is considered to be caused by infection, the need for timely completion of routine blood tests, there are infections in time to deal with.