Stomach and duodenal ulcers can eat potatoes, but not too much. Potatoes are rich in vitamin C, so regular consumption of potatoes can replenish vitamin C, improve body immunity, improve the body’s ability to fight disease, good for human health. Potatoes contain a large amount of mucus protein, a substance that has a lubricating effect on the digestive tract, which not only promotes the digestion of food in the stomach, but at the same time does not cause irritation to the mucous membrane of the digestive system. Although these patients can eat potatoes, but it is best to eat each time to limit to one or so, because potatoes contain a lot of starch, starch in the digestion of the gas will be produced, too much intake will lead to gastric distension, gastric, duodenal ulcer disease has a negative impact on the treatment of the disease. And in eating potatoes should also pay attention to, once found that the potato sprouting, green color, should try to avoid eating, such potatoes contain lobelia, after eating will cause intestinal and gastric discomfort.