Uric acid stones: Limit the intake of: fresh meat, fish, poultry and animal offal such as liver, kidney and pancreas. Eat less: cabbage, pecans and chestnuts, peanuts, lentils. Abstain from: black tea, cocoa drinks, strong alcohol, beer. Eat more: low purine foods such as corn flour, taro, cereals, lotus root powder, eggs, fruits, beets, celery, cucumber, yams, pumpkin, cod liver oil, carrots, watermelon, winter melon, pears, fresh lotus root, etc. Calcium oxalate stones: Limit: refined sugar. Less: spinach, tomatoes, potatoes, bamboo shoots, hairy beans, beets, lobelia, squash, kelp, shrimp skin, shiitake mushrooms, sesame paste, prunes, strawberries, apples, oranges, coffee, cocoa, chocolate, milk replacer, soy products, etc. Prohibited: black tea, cocoa drinks, spirits, beer; More: foods with high fiber content and cod liver oil, carrots, watermelon, winter melon, pears, fresh roots, etc. Phosphate stones: Eat less: foods high in calcium and phosphorus, such as milk. Forbidden food: black tea, cocoa drinks, spirits, beer. Eat more: acidic foods such as umeboshi, prunes, walnuts, cod liver oil, carrots, watermelon, winter melon, pears, fresh roots, etc.