Gurgling stomach and anal swelling may be related to intestinal flora imbalance, enteritis and rectal tumors. 1. Imbalance of intestinal flora: If the gas-producing bacteria in the intestines increase, making the intestines produce a lot of gas, the stomach will growl. And because of the intestinal flora imbalance caused by the intestinal environment changes, may cause intestinal peristalsis accelerate, diarrhea, stool diarrhea may occur when the feeling of anal swelling. 2. Enteritis: enteritis patients with intestinal mucosa infected by bacteria, viruses and other pathogens and produce inflammation, stimulate intestinal peristalsis to accelerate the intestinal gas in the intestinal tract will make a gurgling sound. It also causes abdominal pain, diarrhea and other phenomena, which leads to anal swelling. 3. Rectal tumor: when the rectal tumor grows to a certain extent, it will block the intestinal lumen, resulting in the air in the intestines can not be discharged smoothly, and when there is a lot of gas, it will emit gurgling sound. If the rectal tumor presses on the anus, it may trigger anal swelling. If you have gurgling stomach and anal distension, it is recommended to go to regular hospital for examination in time to clarify the cause of the disease, and then follow the doctor’s instructions to receive standardized treatment from professional doctors to avoid aggravation of the condition.