Patients with gastrointestinal problems can eat a small amount of sweet potatoes, it is not recommended to eat more, easy to aggravate the patient’s condition. Sweet potatoes are rich in cellulose and pectin, and contain a lot of dietary fiber, nutrition is relatively rich. However, sweet potatoes are gas-producing food, after eating a large amount of sweet potatoes are prone to bloating, belching, abdominal pain. Due to the sweet potato belongs to the high starch food, contains a lot of sugar, gastric ulcer patients eating sweet potato will stimulate the gastric mucosa, produce gastric acid, resulting in gastric ulcers difficult to heal. In addition, due to the sweet potato contains more sugar, will affect the secretion of gastric acid, resulting in gastric acid reflux to the esophagus, stimulate the esophageal mucosa acid reflux, heartburn, belching and other symptoms. Therefore, although sweet potato is a better food, but the people with bad stomach should eat a small amount. Gastrointestinal discomfort symptoms suggest timely medical treatment, under the guidance of a professional physician as soon as possible, the specific dietary structure can also consult a professional physician.