Urinary stones are a disease with a high recurrence rate and a long treatment period, so it is especially important for patients to prevent them. According to the different components of stones, patients can carry out dietary prevention according to their condition. Calcium oxalate stones: eat less spinach, mangoes, rhubarb, sesame, cocoa, tea, bamboo shoots, celery, tomatoes, nuts (peanuts, almonds, walnuts). You can eat more cereals such as bran foods, red beans, mung beans, corn and millet.