Polyps after anal moisture is considered to be and anal moisture caused by bacterial reproduction and inflammation stimulation and so on. Anal polyp is anal tube or rectal mucosa with a round or oval swelling, often by diet, inflammation, feces and foreign body stimulation, heredity and other factors; if the anus has a moist performance, usually do not pay attention to hygiene is easy to stimulate the perianal skin, and easy to breed a large number of bacterial reproduction followed by inflammation; long-term inflammatory stimulation can cause mucosal hyperplasia and lead to the formation of anal polyps. Anal polyps are often relatively small, clinical symptoms are generally not obvious; when the anal polyp gradually increase in size can have blood in the stool, rectal prolapse, abdominal pain, diarrhea, pus and blood stool, acute and severe symptoms. Anal polyps need to pay attention to local cleanliness in daily life, wash the anus with lukewarm water after defecation, and take a sitz bath with lukewarm water every night to maintain local cleanliness and hygiene and prevent inflammation from occurring; if the anal polyp grows gradually or there are obvious clinical symptoms, it can be treated by surgical excision. Polyps grow after anal moisture, need to go to the hospital in time to check the specific cause and treatment, so as not to delay the condition.