Gurgling inside the anus may be caused by gastrointestinal peristalsis, gas retention in the rectum, and anorectal diseases. It is necessary to carry out routine stool culture and electronic colonoscopy and other examinations. 1. Gastrointestinal peristalsis: Gurgling inside the anus may be caused by gastrointestinal peristalsis, excessive intestinal gas production, and the symptoms. Pay attention to drink more water, eat more coarse grains and coarse fiber vegetables. 2. Gas retention in the rectum: anus inside the gurgling may be due to gas retention in the rectum caused by the consumption of high-protein foods, gastrointestinal tract function decline. Protein degradation easily produces ammonia, resulting in excessive gas production in the intestinal tract, bloating, increased exhaust, resulting in gurgling inside the anus. 3. Anal disease: anal gurgling may be caused by anal diseases, such as anal polyps, hemorrhoids and other conditions. If you hear gurgling inside the anus, temporarily failed to relieve or accompanied by abdominal pain, bloating or accompanied by changes in stool characteristics, it is recommended to go to the hospital to improve the relevant examinations, diagnosis and then carry out appropriate treatment.