Legumes (soybeans, black beans, green beans, mung beans, etc.) and some hard fruits (peanuts, watermelon seeds, pumpkin seeds, almonds, etc.) are high in plant protein, plant protein and animal protein than the proportion of non-essential amino acids is high, while the proportion of essential amino acids is low, consumption of which is not only difficult to replenish the lack of essential amino acids in patients with chronic renal failure, but also metabolized to produce more toxins, such as urea ammonia. Chronic renal failure dietary treatment 1, give high quality low protein diet 0.6 grams / (kg body weight – day), vitamin-rich diet, such as eggs, milk and lean meat and other high-quality protein. Patients must consume sufficient calories, generally 30-35 kcal/(kg body weight – day). If necessary, the staple food can be wheat starch with vegetable protein removed. 2, low-protein diet plus essential amino acids or α-ketoacid therapy, application of α-ketoacid therapy, pay attention to review the blood calcium concentration, hypercalcemia when used with caution. In the absence of severe hypertension and obvious edema, urine volume >1000ml/day, salt 2~4g/day.