Rectal polyps are very common anorectal diseases, but they can be benign or malignant. Therefore, rectal polyps that are more brittle need to be eliminated in time when the lesions are examined. Rectal polyps are asymptomatic in their clinical manifestations and are mostly found during physical examinations. If the polyp is large, often subjected to fecal friction, can make its mucous membrane erosion, feces with blood and mucus. The common symptoms are bright red blood, not much blood, mixed with mucus, blood on the surface of feces, if the bleeding is large, or bleeding for a long time, it can cause emaciation, anemia, when the polyp is large, it can also appear symptoms such as anxiousness, constipation, and more secretion from the anus. The disease can be cancerous, therefore, when the disease is found in the examination, pathological tissue biopsy must be done to clarify its nature. How to distinguish rectal polyp is benign or malignant? 1.Shape: polyps with lobes are prone to malignant transformation, while smooth and rounded ones are less likely to be malignant. 2.Base: polyps with large base and small head are very prone to malignant transformation. 3, brittleness: in the examination, with a speculum or instrument when touched very easy to bleed, most of the malignant polyps. On the contrary, it is benign. 4, size: polyp enlargement or polyp larger prone to malignant, polyps without significant increase, less malignant. 5, ulcers: polyps in general, no ulcers, when malignant, ulcers can be formed, especially with the tip of the polyp does not usually cause ulcers, once ulcers occur, it shows that it has malignant changes. 6, activity: solid, firm, non-tip polyps are prone to malignant; and with the tip of the activity of the malignant relatively low. 7.Type: Tubular adenomas, relatively low cancer rate. Therefore, once you find abnormal anorectal area, and accompanied by bleeding and other symptoms, you need to consult a doctor in a timely manner for investigation, and do a good job of prevention. If diagnosed as rectal polyps, it is necessary to confirm the benign or malignant, and surgical treatment.