The duodenal ulcer, as one of the most common types of ulcer diseases, affects numerous people worldwide. In this condition, the mucous membrane of the duodenum is damaged, causing pain and other unpleasant symptoms. The incidence of duodenal ulcers is remarkably high, as the number of affected individuals is six times that of those suffering from gastric ulcers. Fortunately, the likelihood of malignant degeneration is extremely low, and with appropriate treatment, complications can also be avoided. The causes of duodenal ulcer formation are similar to those of gastric ulcers, but the symptoms of the two diseases differ significantly. Recognizing and treating the disease is important for maintaining a good quality…