Nephritis patients are not allowed to eat bean curd, and nephritis patients should have a low-salt, low-fat, high-quality low-protein diet. Low salt is to eat less pickled food and taste salty food, low fat is cholesterol and fat-rich food should be avoided, high quality protein is high bioefficacy protein, mainly animal protein, such as fish, meat, egg white, avoid plant protein-rich food, such as soybean products in soybean milk, bean curd, dried beans, nuts such as peanuts, melon seeds, pistachio nuts, because it contains less essential amino acids, metabolic waste more, can increase the burden on the kidneys. Soybean is rich in vegetable protein, so patients with chronic nephritis can not eat soybean. Chronic nephritis is chronic progressive progress, until the emergence of chronic renal failure, when nephritis combined with chronic failure, especially when the glomerular filtration rate <30ml/min, this time the kidney's ability to discharge potassium decreased, this time to avoid potassium-rich food intake, bean curd is rich in potassium, so at this time, bean curd is even more should not eat.