Whether a duodenal ulcer can eat bananas is based on the type of duodenal ulcer patient. First, if the duodenal ulcer patient is in the active stage of the ulcer, can not eat bananas, can only drink a small amount of warm water. The active stage of the ulcer is congested and edematous, and eating food will cause a large amount of gastric acid secretion, resulting in bleeding of the ulcer, or even perforation of the manifestation of the ulcer. To be in the hospital for infusion, acid production, energy support therapy. Secondly, if you are in the scarring stage of the ulcer, the surface of the ulcer is not obviously congested and edematous and is accompanied by epithelial tissue proliferation, eating bananas will not cause pain, bleeding and perforation of the wound, and you can eat a small amount of bananas.