For kidney yin deficiency, you can take hash membrane, black fungus, black sesame, small walnuts, etc. as food supplements. The medicines include Zuogui Pills, Liuwei Dihuang Pills, etc. In addition, if patients can use dietary therapy wisely, the therapeutic effect will be better. Here are some kidney-tonifying dietary treatments: Sesame porridge: 50 grams of sesame seeds, 100 grams of white rice, 50 grams of honey, and 1 kilogram of water. After cooking, add honey. This porridge can nourish the liver and kidneys, moisturize the intestines and relieve constipation, and can also be used to beautify the hair. Walnut porridge: 50 grams of walnuts, 100 grams of white rice, 100 grams of rock sugar, and 1 kilogram of water. Peel the walnuts and cut them into small cubes. When the rice blooms, add rock sugar and diced walnuts and cook it into porridge. Longevity porridge: 400 grams of gorgon seeds, 400 grams of medicinal kernels, 1500 grams of yam, 500 grams of glutinous rice, 150 grams of ginseng, 150 grams of poria, 250 grams of lotus seeds, and an appropriate amount of sugar. Dry the medicinal kernels and grind them into fine powder, then grind the glutinous rice, mix all the ingredients and stir evenly. Eat it twice a day, 25 grams each time. You can add a little sugar for seasoning. Yam porridge: 100 grams of yam, 100 grams of white rice, 100 grams of sugar, and 1 kilogram of water. Peel the fresh yam and cut it into pieces. When it is cooked, add rice and cook it into porridge. Add sugar and cook for a while. Do not regard dietary therapy as a panacea. There is no shortcut to alleviating symptoms, and individual conditions are different. Patients who want to treat the root cause should first seek the advice of a doctor to find out the most suitable treatment method for them.