There are many reasons for the onset of rectal polyps, the usual improper diet, life and rest time or constipation can lead to the occurrence of rectal polyps this disease, then if the disease is not treated in a timely manner, rectal polyps on our body will cause the following hazards: 1, easy to malignant: many patients with solitary polyps, the initial stage does not pay attention to, it is likely to multiple polyps transformation, and the chances of multiple polyps malignant extremely high. The danger of rectal polyps 2, intussusception: sometimes larger polyps can also cause intussusception, resulting in intestinal obstruction and abdominal pain. 3, Prolapse: When the polyps are large or large in number, they pull the intestinal mucosa due to gravity and gradually separate from the muscle layer and prolapse downward. The patient’s bowel movements pulling and intestinal peristalsis stimulation, can make the mucosal layer around the base relaxed, can be complicated by prolapse of the rectum. 4, the kind of small volume by the non-tumor polyp with the tip: most of the good people with polyps, generally not easy to malignant change; if the larger, broad-based polyps, there is a strong possibility of malignant change to cancer.