Eat the following things are good for kidney function: 1. When the kidney function is normal, you can properly eat more nourishing, subtle Yang, kidney tonic food, such as dog meat, mutton, oyster, sea cucumber, loach, yam, walnuts, chestnuts, wolfberries, etc., these foods are better for kidney function, in addition to black beans, its kidney tonic effect is also better. 2. When the kidney function is not normal, antihypertensive drugs such as ACEI The class or ARB class, can improve the kidney microcirculation by expanding the small glomerular arteries, which has a very good effect on kidney function. 3, you can also take long-term oral Bai Ling capsule or Jin Shui Bao, nourishing the yin and tonifying the kidney effect is still relatively good.