People with stomach ulcers should eat foods that are easy to digest and high in protein and vitamins, such as soft rice, porridge, and noodles. Foods rich in protein include fish, milk, and walnuts. Foods high in vitamins include tomatoes, carrots, bean sprouts, and spinach. Patients with stomach ulcers should avoid spicy and stimulating foods such as chili peppers, garlic, leeks, and ginger, as well as seasonings like cinnamon, star anise, and Sichuan pepper. They should also avoid overly acidic foods, raw and cold foods, fried foods, and foods that are high in rough fiber.