The body temperature of newborns has been 37 to 37.4 ℃ is generally normal. The normal temperature of newborns (rectal temperature) is 36.5 to 37.5 ℃, due to the newborn thermoregulatory center function is not yet well developed, relatively vigorous metabolism, body temperature is easily affected by the surrounding environmental temperature, so you need to strengthen the care of newborns, to avoid environmental factors affecting the newborn’s body temperature. If the body temperature of the newborn is more than 37.5 ℃, then consider the existence of fever, body temperature is lower than 36 ℃, need to consider hypothermia, are to bring the baby to the hospital pediatrics or neonatology consultation, to clarify the specific causes, for the cause of the appropriate treatment, so as not to delay the condition.