There are many kinds of food that are good for kidney, the common ones are black sesame, Cistanchis, Cornus officinalis and so on. 1. Black sesame: According to traditional Chinese medicine, black sesame, which is flat and sweet in nature, is suitable for entering the liver, kidney and large intestine meridians, has the effect of tonifying the liver and kidney, moistening the intestines and benefiting the essence and blood, and is beneficial to the improvement of premature whitening of hair, dizziness, and post-disease alopecia, which are caused by the deficiency of the essence of the kidneys. It should not be used by people with weak spleen and loose stools (thin and unformed feces). 2. Cistanchis: This medicine enters the kidney meridian and the large intestine meridian and is good at warming and tonifying the kidney yang (warming and replenishing the kidney yang), benefiting the essence and blood, moistening the intestines and relaxing the bowels. Appropriate consumption of this medicine is effective in improving the symptoms such as deficiency of essence and blood caused by deficiency of kidney yang and soreness of waist and knees, but people with deficiency of Yin and fire should avoid using this medicine. 3. Cornus officinalis: This substance has the effect of astringency and solidification, tonifying the liver and kidneys, and has an auxiliary effect on impotence and premature ejaculation, frequent urination and sweating caused by deficiency of kidney essence, and is forbidden for those who have a burning fire in the vital organs. Black sesame, Cistanchia, Cornus officinalis as food, the efficacy of the play is limited, may not be able to achieve the efficacy of the cure, the kidney is not good people, but also under the guidance of a professional doctor to identify the evidence of the treatment, do not use their own medication.