It is generally believed that the body temperature of small children is normal for 36 ~ 37 ℃, usually refers to the axillary temperature, but sometimes need to be combined with the baby’s specific situation to analyze and judge. Measurement of body temperature is an important element of pediatrics, for young children, generally believe that the correct measurement of body temperature 5min, usually measure the armpit temperature, the normal body temperature is 36 ~ 37 ℃, and the anal temperature can be higher than the armpit temperature of 30.3 ℃ or so, but the measurement of the anal temperature is not easy to operate in the clinical application of less. But young children’s thermoregulatory center is not well developed, the measurement of body temperature is easily affected by a variety of factors, such as crying, breastfeeding activities, or wrap too thick, etc. Measurement of body temperature can appear in the measured body temperature is high phenomenon, but this kind of baby’s general condition is good, no fever and other abnormal symptoms, but also belongs to the normal phenomenon, need to be measured several times, to avoid the above factors for multiple measurements. It is recommended to seek medical advice from a specialist if necessary, and to assess whether the temperature is normal.