The normal body temperature of a two-month-old baby is 36-37.1 degrees. Two months baby thermoregulation center development is not perfect, easy to change by the surrounding environment temperature change. If the package is too tight, or indoor ventilation is not good, the temperature is high, the baby is prone to fever, after giving open the package, open the windows and ventilation, to maintain a suitable indoor temperature, the body temperature will soon return to normal, during which the baby’s response, good milk, good mental state. If the baby is depressed, poor breastfeeding, and even with vomiting and other symptoms, even if not fever, we should go to the hospital to find out the cause, because of the age of the younger, many diseases have no specific performance, so it is necessary to go to the hospital in a timely manner to meet with the doctor.