Yang deficiency is characterized by coldness (fear of cold, cold limbs), thirst and hot water, loose stools, long and clear urine, pale and fat tongue, white slippery moss and so on. Yang deficiency is mostly caused by prolonged illness, living in a cold place for a long time, or overeating cold products, overwork and so on. Yang has warm skin, promote the function of qi and blood running, yang deficiency, the warming function down, so the cold limbs cold. Yang deficiency vaporizes the function of fluid decline, so there is a thirst for hot drinks or thirst, loose stools, urine clear long and so on. Yang deficiency may also appear spontaneous sweating (involuntary sweating during the day, sweating is aggravated by the slightest movement). Because of yang deficiency, there is no power to consolidate (consolidate). Yang deficiency can not transport and transform water, so there is a pale, fat and tender tongue, white slippery moss, and the pulse is slow and weak, and other signs of yin and yang deficiency. If you feel unwell, please go to a regular hospital to avoid delaying your condition.