Stomach ulcer is best not to eat sweet potatoes, sweet potatoes, although more nutritious, but is not suitable for patients suffering from gastric ulcer disease to eat, mainly for the following reasons: 1, the sugar content of sweet potatoes is particularly high, gastric ulcer patients in eating food containing sugar, will lead to excessive secretion of gastric acid, and the ulcer surface caused by stimulation, and even cause spasm contraction of the stomach, the treatment of gastric ulcer will cause adverse effects; 2. The starch content of sweet potato is particularly high, starchy food in the digestion, will produce a lot of gas caused by gastric distension, and gastric ulcer patients due to the impact of the disease, most of them will have slow peristalsis phenomenon, so it will lead to sweet potato in the stomach for too long, and even lead to gastric distension symptoms, the treatment of gastric ulcer will be adversely affected; 3, the dietary fiber content in sweet potato is very high, dietary fiber is not only digestive Dietary fiber is not only difficult to digest, and the stomach gland is irritating, leading to more serious degree of acid secretion, not only is not conducive to gastric ulcer treatment, but also aggravate the patient’s condition.