37°C in adults is not a low fever, it is a normal body temperature and there is no need to worry excessively. Normal body temperature is not a specific temperature point, but a temperature range. There are several clinical ways to measure body temperature, and the temperature range varies slightly with different measurement methods. Normally, the oral sublingual temperature is 36.3-37.2°C, the rectal temperature is 36.5-37.7°C, and the axillary temperature is 36.0-37.0°C. Therefore, no matter what measurement method is used in adults, the body temperature of 37°C is within the normal range and there is no need to worry. Clinical often used is the axillary temperature, convenient measurement, wide range of application, in the measurement of body temperature first dry under the armpit sweat, the mercury end of the thermometer placed deep in the armpit, close to the skin, flexed arm over the chest, clamping thermometer, 5-10 minutes after the removal, you can clarify the specific body temperature. However, it should be noted that a qualified thermometer should be used when measuring body temperature to avoid errors in judgment due to unqualified thermometers.