The axillary temperature of 37.2°C is a normal body temperature. If there are no other symptoms, infectious diseases are usually not considered for the time being and observation can be continued. Fever, that is, the body temperature for various reasons led to more than the normal range. Normal underarm temperature range is 36.0~37.0℃, is a range value, not a fixed value, each person’s condition is different, the body temperature will appear a small range up and down, usually not more than 1℃. Common differences in normal body temperature include: older people are lower than young adults, infants and young children have a higher temperature than adults, women of childbearing age have a slightly higher temperature before menstruation than during menstruation and the following days, and the body temperature rises after exercise. Currently, the clinical classification of body temperature is divided into four levels according to the values, low fever: i.e., 37.3℃~38.0℃; moderate fever: i.e., 38.1℃~39.0℃; high fever: 39.1℃~40.0℃; and ultra-high fever: above 40.0℃. Persistent axillary temperature of 37.2°C should continue to be monitored. If fever or concomitant symptoms occur, one should seek prompt medical attention, follow the doctor’s instructions for standardized treatment after making a clear diagnosis.