Hair is related to the kidneys in Chinese medicine. According to the theory of Chinese medicine, “the splendor of the kidneys is in the hair”. Hair, i.e. hair, Huawei, the meaning of the glory of China exposed. The growth of hair depends on the essence and blood, and the kidneys hide the essence, essence can transform blood, essence and blood is vigorous hair shape and moisturizing. Because the hair for the kidney outside the candidate, so the hair growth and loss, moist and withered, and the relationship between the kidney essence is very close. Normally, young and strong people’s essence and blood is full, hair growth is good and shiny. While the elderly due to the essence and blood more deficiency and decline, so the hair more white and fall off, which belongs to the law of physiological development. If children and young adults have thinning hair, withered, early loss of early white, mostly related to the lack of essence in the kidneys, it is recommended to consult a doctor, under the guidance of the doctor for scientific treatment.