Broad-based intestinal polyps of 0.4*4cm are generally more serious and polypectomy is recommended. Generally intestinal polyps larger than 1cm, polypectomy is recommended, this polyp is 4cm in size, significantly enlarged, polypectomy is required. This polyp is broad-based, with a large range, endoscopic resection has the possibility of intestinal perforation, need to consider surgical treatment, whether it is surgical resection or endoscopic resection, before and after the resection is recommended to carry out a pathologic biopsy. Guangji intestinal polyps are mostly adenomatous polyps, and the malignant rate of polyps reaching 4cm is high. If polypectomy is not performed and the area is too large, the polyp may continue to grow and lead to narrowing of the intestinal lumen or malignant changes. The severity of intestinal polyps needs to be assessed according to their size, shape, growth pattern and pathology, and actively cooperate with the doctor for diagnosis and treatment.