The younger the baby, the higher his basal body temperature, in addition to clothing and seasonal and weather factors, the general temperature is also different, and different parts of the measurement for the body temperature is also slightly different. If you find that your child’s temperature is elevated, the first thing you need to do is to take your child’s temperature, which is generally done in three ways: anorectal temperature, oral temperature and axillary temperature. The rectal temperature is the closest to the average temperature of the human body, oral temperature is 0.2℃-0.3℃ lower than the rectal temperature, and the axillary temperature is 0.3℃-0.5℃ lower than the oral temperature, in order to facilitate the operation, the general temperature measurement of the axillary temperature is selected more. Baby’s body temperature is generally 36℃-37℃ in the armpit; 36.5℃-37.5℃ in the anus. Generally, the axillary temperature over 37.2℃ is considered to be hypothermia, which should draw parents’ attention at this time, and the child’s body temperature at this temperature indicates an abnormality, such as food fever, or an abnormal body temperature when the infection occurs early in the morning. In addition, the baby’s basal body temperature will also rise in hot weather and in the absence of timely clothing reduction, parents need to observe whether there are other accompanying symptoms, if you encounter a fever of more than 38 ℃, you should go to the hospital for further consultation.