Body temperature of 36.6°C is in the normal range and usually patients do not need to worry too much. A normal person’s oral temperature is between 36.3°C and 37.2°C, axillary temperature is 36°C-37°C, and rectal temperature is 36.5°C-37.7°C. If the way of measuring body temperature is correct, 36.6℃ is in the normal range regardless of the route taken. In general, the body temperature is stable, the metabolism and the function of various enzymes are normal, there is no need to worry too much. However, if the body temperature is normal, but there is a fever or cold feeling, it may be related to endocrine metabolic diseases, central thermoregulatory function. Therefore, when the body temperature is 36.6℃, it is generally normal. If subjective fever or cold feeling, you should pay attention to the observation of the body state, if necessary, go to the hospital respiratory medicine department for timely consultation and treatment.