Chinese medicine has accumulated thousands of years of experience in health, “Huangdi Nei Jing Su Wen” first: “I heard that the ancient people, spring and autumn are a hundred years old, and the movement does not decline; now the people, half a hundred years old and the movement are declining, the time and the world is different? People will lose it? Qibo said: the ancient people, who know, the law in the yin and Yang, and in the art, eating and drinking in moderation, living in a normal way, not delusional labor, so the form and the gods, and the end of its natural life, a hundred years to go”. The health care should be guided by the theory of Chinese medicine, for this reason, we first introduce some basic knowledge of Chinese medicine. Yin deficiency, as opposed to Yang deficiency. It refers to the pathological phenomenon of loss of essence and blood or fluid. It is called yin deficiency because both essence, blood and fluids are yin, and it is mostly seen in patients who suffer from internal depletion of yin due to strain and prolonged illness or fever. Because Yin deficiency cannot control fire. If the fire burns, it burns the yin and makes it more deficient, and the two often affect each other. The main symptoms of Yin deficiency are irritable heat in the five hearts or superheat, night sweating, red cheekbones, emaciation, red tongue with little coating, etc. What are the specific manifestations of Yin deficiency? “Yin deficiency produces internal heat, manifesting as irritability and heat in the five hearts, dry mouth and throat, irritability and gas, yellow urine and dry stool, etc.; physical weakness, palpitation, shortness of breath, dizziness, poor mental state; irregular menstruation, lack of color, melanin, chloasma, butterfly spots; menopausal distress; premature menopause; generally seen in women, various functional Hyperactive diseases such as hyperthyroidism, tuberculosis, chronic low fever, etc. People with yin deficiency should eat more foods that nourish kidney yin, to nourish yin and submerge yang as the method. Often choose foods such as glutinous rice, mung beans, lotus root, marjoram, cabbage, black fungus, silver fungus, tofu, sugar cane, pear, watermelon, cucumber, lily of the valley, yam and so on. These foods are cold and sweet in nature and have the effect of nourishing the yin energy of the body. Yin deficiency fire people should eat less spicy things, hot pot is best to eat less, fried, fried, exploded, baked food should also eat less. Yang deficiency, refers to the pathological phenomenon of Yang Qi deficiency. Yang energy has the role of warming the limbs and organs, such as Yang deficiency is the body’s function is reduced, prone to signs of deficiency cold. The common ones are stomach yang deficiency, spleen yang deficiency, heart yang deficiency, kidney yang deficiency, etc. The main symptoms of Yang deficiency are cold fear, white face, loose stools, long and clear urine, and sunken and weak pulse.