If there are no other symptoms, excluding colds and other factors, the body does not sweat is normal, mainly with the individual physique. Some people have a wide distribution of sweat glands, so they like to sweat, while others do not, so this is physiological, but also some people do not sweat may be low with the ambient temperature, usually do not like to activities, clothing wearing too little, not much water intake is also related. In addition, some people do not sweat may be related to age, the elderly metabolism slows down, the body is afraid of cold, usually even if you pay attention to keep warm, but also rarely sweat. Some people do not sweat may be caused by endocrine abnormalities, such as a decline in thyroid function will occur. Chinese medicine believes that the body has a deficiency of yang or qi blockage can also cause the above symptoms, the reason for this is mainly considered and usually like to eat cold food, visceral dysfunction, emotional depression has a certain relationship.