Hair loss may occur when the kidneys are not well, and the growth of hair is closely related to the vitality of the kidneys and the nourishment of the body’s blood. In the Yellow Emperor’s Classic of Internal Medicine, there is a saying that “the splendor of the kidneys is in the hair”, which means that whether the essence of the kidneys is abundant or not can be revealed in the hair. Hair growth, shedding, moisturizing conditions, depends on the kidney in the essence of the nourishment, kidney essence is enough hair volume, black, thick, kidney essence is not enough, deficiency of kidney qi is easy to hair off, early white, withered, accompanied by waist and knees, low fertility, premature aging and other manifestations. For people with hair loss, hair loss and symptoms of kidney deficiency, they can tonify kidney essence and regulate qi and blood under the guidance of physicians, and they can maintain abundant qi and blood through daily scientific diet and proper physical exercise to promote hair growth.