proteinuria is a main symptom in the process of chronic glomerulonephritis, nephrotic syndrome and diabetic nephropathy, and it is a persistent and progressive renal damage, which will lead to chronic renal failure one day. The diet of patients with proteinuria can't be as casual as that of ordinary people. Patients should adopt different standards of diet according to the types and conditions of nephropathy that cause proteinuria. In general, patients with proteinuria should pay attention to the following aspects: 1. Proteinuria diet caused by nephrotic syndrome: In addition to losing a lot of protein in urine, patients with nephrotic syndrome who also lose minerals such as calcium, magnesium and zinc combined with protein should eat more fresh vegetables and fruits and supplement foods rich in calcium, such as milk and its products, shrimp skin, sesame sauce, kelp, fish and green vegetables. Foods rich in magnesium, such as millet, wheat, barley, meat and animal offal. Foods rich in zinc, such as millet, wheat, corn flour, Chinese cabbage, radish, carrot, eggplant, lentils, pumpkin, etc.