Anal exhaust all the time may be caused by improper diet, irritable bowel syndrome, intestinal flora disorders, proctitis and other reasons. 1. Improper diet: If you usually like to eat foods that are easy to produce gas, such as leeks, onions, carbonated beverages, soy products, etc., these foods in the digestive decomposition will produce a large amount of gas, which will be discharged from the anus. 2. Irritable Bowel Syndrome (IBS): food or emotional stimulation of intestinal peristalsis, which can lead to abdominal pain, diarrhea, abdominal distension caused by intestinal disorders, resulting in the production of a large amount of gas discharged. 3. Intestinal flora disorders: excessive reproduction of harmful bacteria in the intestinal tract, or excessive gas-producing bacteria, and intestinal fecal fermentation to produce gas and other causes of excessive exhaust. 4. Proctitis: patients due to inflammatory stimulation in the intestinal tract, resulting in mucosal congestion, edema, inflammatory factor response, may cause excessive exhaust phenomenon. It is recommended that patients should pay attention to eating easy-to-digest food and balanced diet. Appropriate exercise to promote digestion. Do not overeat, reduce the burden on the stomach and intestines. If there is a combination of other discomforts, go to the hospital in time to give targeted treatment.