Duodenal polyps if the polyp is descending and above do gastroscopy, if the duodenal polyp is located in the descending part of the following need to do small bowel examination. Gastroscopy can observe the esophagus, stomach, duodenum descending part, duodenal polyps located in the descending part of the polyp can be observed through gastroscopy, at the same time can be carried out under the gastroscope polypectomy, can achieve better results. If the duodenal polyp is located in the horizontal part of the duodenum and the ascending part of the gastroscope can not be inspected, it is necessary to carry out a small bowel examination to see, if the patient suspects that the duodenal polyp, gastroscopy can not be clear, you can further carry out small bowel endoscopy to make it clear that the colonoscopy can not reach the duodenum, the duodenal polyp has no clinical significance of the examination. If the patient has duodenal polyps, it is recommended that the first gastroscopy, can not be clear when the small bowel endoscopy, it is recommended to the hospital to follow the doctor for examination and treatment.