Enlarged anal papillae may lead to symptoms such as foreign body sensation in the anus and protruding anal swelling during defecation. Enlarged anal papilla is a symptom, mostly due to chronic inflammatory stimulation such as anal canal inflammation, anal sinusitis, or due to anal fissure, trauma and other causes of local circulation disorders. 1. Foreign body sensation in the anus: due to the hypertrophy of anal papilla may cause local congestion, edema, and may cause local secretion, exudate, and even bleeding after defecation, so there will be local foreign body sensation, itching and other symptoms. 2. Anal swelling protrudes during defecation: due to the gradual increase of anal papillae, it will cause pressure stimulation during defecation, which will lead to the protrusion of hypertrophied anal papillae at the anal opening, and repeatedly protrudes, and sometimes it will be touched with smooth and hard swelling. Appearance of the above related symptoms, should go to the hospital in time to check, clear diagnosis, give appropriate treatment.