1, young patients with chronic nephritis diet more need to be contraindicated: diet to avoid stimulating foods, such as wine, tea, coffee; 2, a variety of spicy condiments such as onions, ginger, garlic, curry, mustard, pepper; a variety of spices and vegetables containing volatile oils, such as leeks, fennel, celery, carrots, etc.; 3, the diet should not eat spinach, bamboo shoots, amaranth, etc., as well as beans and soy products, animal offal and thick chicken soup, broth 5. Patients with chronic nephritis should have a low-salt diet, and if they have hypertension and severe swelling, they should control their salt intake and give a low-salt or salt-free diet; 6. Patients with chronic nephritis should have high quality low protein, meat, eggs and milk have better protein quality and high body utilization, which can be used to repair or maintain strong muscles, and others such as beans (mung beans, red beans, fava beans, pea nuts, etc.), drupes (peanuts, melon seeds, cashew nuts, etc.), and other fruits. The other such as beans (green beans, red beans, fava beans, peas, cashew nuts, etc.), gluten products, grains, flour products, groundnuts, taro, potatoes, vegetables, fruits contain protein of poor quality, will create more waste, is contraindicated in the diet of patients with chronic nephritis.