Submucosal elevation of the colon is a description of the elevation of the colonic mucosa in colonoscopy, which is considered to be related to inflammation, infection, hyperplasia, lymphoid hyperplasia, and tumor. When submucosal bulging is found during colonoscopy, it is considered to be related to pathological factors, such as inflammation and infection of the mucosa of the colon, lymphoid hyperplasia, and submucosal benign and malignant tumors, which may lead to the bulging of the mucosa of the colon. If submucosal elevation is detected by colonoscopy, biopsy through colonoscopy is recommended to clarify the nature of elevation. If there are manifestations such as unformed stool, change of stool shape, thinning, etc., you can go to the hospital and perform ultrasound endoscopy through colonoscopy, and ultimately, you can rely on the pathology to make a definitive diagnosis. Colonic submucosal bulge, it is recommended to go to the hospital gastroenterology department for examination, after a clear diagnosis, and then formulate the next step in the treatment program.