Patients with chronic nephritis can eat sweet potatoes, and patients with chronic nephritis should eat a low-salt, low-fat, high-quality low-protein diet. Low salt means less pickled food and food with salty taste; low fat means cholesterol and fat-rich food should be avoided; high quality protein means high bioefficacy protein is based on animal protein, such as fish, eggs, and avoid plant protein-rich food, such as soybean products, soymilk, dried soybeans, bean curd, and nuts, such as peanuts, melon seeds, and pistachio nuts, etc., because the essential amino acids contained in them are Low amount of metabolic waste can increase the burden on the heart. Sweet potatoes are low in fat and protein and iodine, so they can be eaten. Chronic nephritis is to actively control blood pressure and reduce proteinuria. Chronic nephritis is chronic and progressive until the end stage of renal failure, uremia stage, which is when renal replacement therapy is needed. At present, there are two kinds of renal replacement therapy, hemodialysis and peritoneal dialysis treatment, and to actively treat the end-stage of chronic renal failure, uremia stage of various complications.