Membranous nephropathy should pay attention to the following dietary aspects: salt restriction, less high-fat food, high-quality low-protein diet, and those with obvious edema should also strictly control water intake. Salt limitation: patients need to eat a low-salt diet, eat less pickles, salted vegetables and other foods. Low fat: eat less fatty meat and other foods, mainly light diet. High-quality low-protein diet: patients with membranous nephropathy should limit protein intake, and should mainly eat high-quality low-protein, including eggs, lean meat, milk and so on. Water restriction: If patients have obvious edema, they need to strictly control the fluid intake, with the principle of not drinking without thirst. Membranous nephropathy patients should go to the hospital in time, make diet plan under the guidance of professional physicians, regular review and regular medication.