Fear of wind and cold in summer is mostly considered to be caused by yang deficiency. Chinese medicine believes that under normal circumstances, yang qi has the role of warming the body, if the body’s yang qi because of some reasons for partial deficiency, will lead to the body’s yang qi deficit, its warming, promote the role of the decline, the emergence of fear of cold limbs as the main manifestation of the cold symptoms. The main reasons for the formation of yang deficiency are prolonged illness and injury, yang deficiency, or further development of qi deficiency; living in a cold place for a long time, or overdosing on cold, cold and bitter products, yang is gradually depleted; and the fire of the vital energy is gradually weakened at an advanced age. Symptoms include fear of cold, cold limbs, pale mouth without thirst, or liking hot drinks, or spontaneous sweating (involuntary sweating during the day, aggravated by sweating with a little movement), long and clear urine or scanty and unfavorable urination, thin stools, pale face (white and lusterless), pale and fat tongue, white slippery moss, and a dull and slow pulse (or a number of weak pulses). It may be accompanied by symptoms of qi deficiency such as mental fatigue (lack of energy) and shortness of breath. If there are symptoms of Yang deficiency, Yang tonifying drugs can be used to treat the disease, such as cinnamon, Radix et Rhizoma Polygoni Multiflori, Cistanches, Dry Ginger, etc. The disease can also be treated by taking Jin Gui Kidney Qi Pills and Yu Gui Pills as prescribed by the doctor. It is recommended to consult your doctor for specific medication.