If a full-term baby has a fever of 38℃, he should seek medical treatment in time, and parents should not give medication on their own. Newborn fever is mostly a symptom of infection, due to the newborn’s own immune system development after birth is not mature, resistance is relatively poor, easy to be infected by viruses or bacteria and other pathogens. Fever 38 ℃, should be timely to the hospital by the pediatrician to do relevant physical examination, such as routine blood, chest X-ray, etc., clear cause fever infection factors, and then targeted to give drug treatment. In addition, in the fever preferred physical cooling, hot towels can be used to apply hot compresses to the baby’s neck, armpits, groin and other parts of the blood vessels are more abundant, conducive to the body heat, and do not go through too many clothes, which is not conducive to dissipation of heat, lower body temperature. The baby is relatively young, there are fever symptoms should be sent to the hospital in a timely manner to avoid delays.