To determine the severity of intestinal polyps 0.8 cm, in addition to the size of the polyp, it is necessary to combine with its growth site, whether or not it is clipped, and the type of pathology to make a comprehensive judgment, and can not be generalized. Intestinal polyp 0.8 cm is generally not too big, it is recommended to combine its size, growth site, whether or not with the tip, etc., and timely pathological biopsy, according to the type of pathology to determine the severity and guide further treatment. Intestinal polyps can occur in any part of the intestine. The symptoms of small intestinal polyps are usually not obvious, which can be manifested as recurrent abdominal pain, intestinal bleeding, and most of the patients will pay attention to it due to the complication of intussusception, etc., or it will be detected during the surgery. While colorectal polyps are mostly seen in the sigmoid colon, rectum, adults are mostly adenomas. Adenoma diameter greater than 2cm, about half of the cancer. Therefore, intestinal polyps need timely medical treatment, scientific examination, early treatment, to avoid delayed treatment leading to aggravation of the condition. Persons with a history of intestinal polyps or family history of intestinal polyps should undergo regular colonoscopy to check for intestinal polyps, and once found, they should be resected under the condition of colonoscopy and pathologically examined. If there is malignancy, follow-up anti-tumor therapy is also needed.