The formation of Yin deficiency physique is both congenital deficiency factors, such as maternal weakness during pregnancy, or the mother is an advanced age conception, or premature birth, etc.; there are also acquired loss of nourishment factors, such as indulgence in sperm consumption, accumulation of labor, the emergence of some diseases, dietary disorders, strong ultraviolet radiation, seasonal changes, etc. Many young people in modern times, the pace of life is very fast, the pressure is several times more than before, mental exertion, physical strength, especially energy overdraft is obvious, and often stay up late, sleep deprivation, diet like spicy and stimulating taste, over time, it may lead to the body’s plant nerve disorders, if you do not pay attention to nourishment, it is easy to suffer from Yin deficiency “hanging “If you don’t pay attention to the regulation, you will be vulnerable to Yin deficiency. Yin deficiency is manifested by the lack of yin and fluid, the body is dehydrated, resulting in dry eyes, dry nose, dry mouth, rough skin and dry hair. Typical symptoms of Yin deficiency are irritability, insomnia, dizziness, soreness and weakness of the waist and knees, small amount of urine, fast heartbeat, thin pulse or night sweats, heat in the heart of the hands and feet, dry eyes and tinnitus. People with Yang deficiency show symptoms such as fear of cold, fear of wind, cold extremities and low body temperature. In addition to the corresponding symptoms, people with Yin deficiency are also prone to “fire”. This is manifested as impatience, irritability, mood swings, and the need to “fire” at every turn. Therefore, people with Yin deficiency should often remind themselves to calm their minds and maintain a stable state of mind, and also learn to transfer bad emotions in a timely manner. Chinese medicine uses the term “fire” to describe certain heat symptoms in the body, and the degree of fire is heavier than “heat”. The general term “fire” is the imbalance between the body’s yin and yang after the appearance of internal heat. Chinese medicine believes that the pathology of “fire” can be divided into two categories: deficiency and reality, and the common symptoms of fire are heart fire and liver fire. Yin deficiency means insufficient essence, blood and fluid. If Yin is insufficient, Yin will not be able to contain Yang, and Yang will be relatively strong, while Yang will have a faster metabolism and excessive depletion of fluid in the body, resulting in thirst, dryness, constipation and embodied heat. In the summer many people with yin deficiency physique eat less or even do not eat spicy, fried food, still often inexplicably on fire, this situation do not just go to fire drugs, should be used to nourish yin to lower the fire of Chinese medicine conditioning attention spleen deficiency loose stools, indigestion should not be yin deficiency people should definitely eat less tropical have fire things, yin deficiency people to eat fungus, silver fungus, pears, water chestnuts and such things. Yin deficiency body people health methods mainly to nourish Yin and reduce fire, nourish Yin and moisten dryness as the principle. Avoid staying up late at night and eat a diet of light, yin-nourishing foods. People with Yin deficiency should avoid overwork, stay up less, and follow the changes of day and night to ensure a normal sleep schedule. Avoid excessive mental tension and emotional overstimulation, which darkly depletes Yin and blood. Of course, if the symptoms are very serious, you still need to seek medical attention, do not take drugs indiscriminately, so as not to aggravate the condition.