Four-month-old baby sleeping temperature measurement of 37.5 degrees is not normal, is a low fever, the normal body temperature of infants is 36.2 to 37.2 degrees. Infants 37.5 degrees may have infections and other conditions, the need to promptly reduce the fever, to avoid the temperature rise as well as the deterioration of the condition. Four-month-old babies with a temperature of 37.5 degrees generally do not need to use antipyretic medication, only physical fever such as warm water wipes, when the baby’s body temperature is 38.5 degrees above the need to use antipyretic medication, such as acetaminophen, so as not to be easy to occur because of the high fever fever fever convulsions. At the same time, pay attention to the baby to do a good job of keeping warm, but avoid too thick clothing. Four-month-old baby sleep measuring temperature 37.5 degrees, to take the baby to the hospital in time to identify the cause of fever, symptomatic treatment, do not self-medication.