Patients with allergic purpura nephritis are advised to eat more things rich in vitamin C, such as fresh vegetables and fruits, especially green leafy vegetables, which are recommended to be eaten as green peppers, citrus, dates, kiwi, shiitake mushrooms, white fungus, lentils, soybeans, tomatoes, cucumbers, radishes and so on. You should also pay attention to the protein intake should not be too much, especially the intake of high-quality protein and beans. You should avoid eating fish, shrimp, crab, fava beans, avoid contact with pollen, because this type of allergen accounts for more than 15% of the allergens of the allergic purpura nephritis, and you should pay attention to exclude. Once you get the disease should actively go to the regular hospital for treatment, if not treated in time, it will affect renal function and cause irreversible consequences, so the regular treatment is the fundamental treatment of this disease.