Neonatal body temperature of 37.4℃ is febrile if it is measured by axillary thermometry or oral thermometry; it is normal if it is intra-anal thermometry. Newborn temperature measurement methods include three, axillary thermometry is the most commonly used, the most simple, normal body temperature is 36 ~ 37 ℃; oral thermometry usually need to be measured for 3 minutes, 37 ℃ is normal; intra-anal thermometry is usually applied to children within one year of age or coma, shock children, the normal temperature is 36.5 ~ 37.5 ℃. Newborn temperature 37.4 ℃ if the axillary thermometry or oral thermometry measured, is fever; if the intra-anal thermometry is normal, need to be specifically analyzed. Newborn fever phenomenon should be timely consultation, daily care should pay attention to dietary hygiene, pay attention to newborns to keep warm, to avoid catching cold.