Most intestinal polyps do not have any symptoms and are only detected during colonoscopy. When symptoms such as unexplained abdominal pain, blood in the stool, abdominal distension, and changes in bowel habits occur, you need to consider the possibility of having intestinal polyps. 1. Asymptomatic: most intestinal polyps do not have any clinical symptoms, and are discovered by chance during routine physical examination or checkups for other diseases. 2. Abnormal bowel movement: it may lead to increased frequency of bowel movement and painless blood in stool. 3. Intestinal irritation symptoms: e.g. abdominal pain, diarrhea, pus and blood in stool. Prolonged blood in stools may lead to anemia and weight loss. 4. Prolapse: Larger, tipped rectal polyps may prolapse from the anus. Bowel polyps, especially rectal tumor polyps, or intestinal cancer, intestinal polyps family history of personnel, there is a possibility of cancer, should be taken seriously, the need for regular review.