Rectal polyp 0.2cm-0.3cm generally refers to the appearance of multiple polyps in the rectum, these polyps diameter of about 0.2cm-0.3cm, may be related to dietary habits, genetic factors, proctitis and other reasons. 1. Dietary habits: if you like to eat spicy, stimulating food, these foods will lead to inflammation of the mucosa, congestion, which causes hyperplasia, the appearance of rectal polyps. 2. Genetic factors: if the parents of the family have rectal polyp, the probability of the formation of rectal polyp is higher than that of the general public. 3. Proctitis: it may be due to frequent bacterial infections in the intestines, the long-term existence of proctitis, due to the inflammatory factor stimulation of the intestinal mucosa will induce the formation of rectal polyposis. In addition, rectal polyps can also be seen in other diseases, it is recommended that patients go to the hospital in a timely manner, in accordance with the doctor’s instructions for disposal, and regular review.