Kidney maintenance mainly lies in the aspects of reasonable diet, reasonable work and rest, control the primary disease, etc. In addition, try to pay attention to not messing up the medication to avoid damage to the kidneys. 1. Reasonable diet: Diet should be based on low-salt, low-fat and light diet, such as consuming more fresh fruits and vegetables, etc. For people with poor kidneys, it is recommended to consume less food containing potassium and phosphorus. People with poor kidneys are advised to consume less food containing too much potassium and phosphorus, such as soybeans and squid, etc. If you suffer from high uric acid, you are also advised to avoid consuming high-purine food, such as seafood and animal offal. 2. Reasonable work and rest: avoid staying up late, ensure enough sleep, and avoid overwork. 3. Control the primary disease: If you suffer from hypertension, diabetes and other primary diseases, its complications can lead to kidney damage, should be actively control blood pressure, blood sugar, and timely to the hospital for review. It should be noted that the above can only practice maintenance of the kidneys, can not play a role in the treatment of kidney disease. If your kidneys are suffering from a disease, you should go to the hospital in time and follow the doctor’s instructions.