Patients with chronic nephritis should pay attention to the principle of low salt, low fat, high quality and low protein in their diet. In terms of staple food, you can eat rice, noodles, steamed buns and green leafy vegetables. In terms of fruit, you should not eat carambola. The intake of protein is mainly high quality protein such as meat, eggs and milk. Food like beans and nuts should be eaten less. Also pay attention not to eat greasy and fried food, not more than 6 grams of salt every day, and not to eat condiments such as monosodium glutamate and soy sauce. To assist the recovery of disease through this dietary conditioning, regular follow-up reexamination is also required to monitor the changes in the condition, and then adjust the treatment plan according to the relevant test results and further make dietary guidance. The above scheme is only for reference. Please use the specific drugs under the guidance of professional doctors according to your own conditions.