Wang, president of Guiyang Gangya Hospital, said: The benefits of kidney maintenance are as follows. 1. Hair growth and dark hair, that is, the brilliance of the kidney is manifested in the hair. Once kidney deficiency, it is easy to make hair turn white prematurely, shed a lot, dull, dry and split, lose elasticity and have no straw-like vitality. Nourishing kidney can nourish hair, make it black and bright, full of luster and elasticity, and it is not easy to fall off and turn white. 2. Improve hearing, that is to say, the key to the escape of kidney essence is the ear, which is very similar in shape to the kidney. Deficiency of kidney qi will lead to hearing loss, and in severe cases will cause tinnitus and even deafness. Kidney maintenance can improve your hearing. Even if you are 70 or 80 years old, your ears can still maintain good hearing. 3. Enhance your intelligence. Kidney produces brain marrow, and whether a person is smart is closely related to whether the brain marrow is sufficient. Nourishing the kidney can make the brain marrow sufficient. Improve your thinking ability, so as to help yourself go more smoothly and successfully in your career. 4. Prevention and treatment of osteoporosis. Kidney governs bone. The growth and development of all human bones depend on the nutrition of kidney essence. If kidney essence is insufficient, it is easy to fracture, osteoporosis, cervical spondylosis, lumbar disc herniation or bulging. Teeth are the standard of kidney after bone. Without kidney essence, teeth will loosen and fall off prematurely. Without teeth, you can't "eat delicious food". Nourishing kidney can enhance the density of bones, delay the aging process of bones and prevent a series of diseases related to bones. 5. Improve self-confidence. Kidney hides ambition, and kidney governs one's ambition. Everyone who lives in the world must have ideals and aspirations before they are willing to struggle. Nourishing the kidney can stimulate their aspirations, activate their ideals and make people full of struggle vitality. If you want to succeed, you must first take care of your kidneys. 6. Treat edema and eye bags. Renal fluid is the metabolism of water and fluid in the whole body of the person in charge of the kidney. If kidney qi is insufficient and water-liquid metabolism is weak, symptoms such as leg edema, eye bags and dark circles will appear. In severe cases, the whole body is edema. Kidney maintenance can improve the ability of the kidney to metabolize excess water in the body, help the kidney to circulate water, nourish the body and excrete it.