The reasons why the anus will secrete mucus are as follows: 1. Consider the cause of hemorrhoids, external hemorrhoids can appear to be moist and unclean in the anus. Due to the varicose veins around the anus, the secretion from the nucleus of the hemorrhoid increases, and when the symptoms of hemorrhoids are more serious accompanied by mild anal incontinence, it can also lead to increased discharge of digestive juices as well as secretions. The symptoms can be improved by paying attention to keeping the bowels open and doing anal lifting exercises.2. Rectal prolapse can lead to anal incontinence, which can also cause increased digestive juices and secretions and mucus in the anus.3. Inflammatory infections of the anal canal and intestinal tract can also lead to symptoms of more secretions and mucus stools, which need to be treated with oral antibiotic medication. The actual fact is that you can find a lot of people who have been in the business for a long time. The symptoms of increased mucus, first to the hospital to confirm the diagnosis of the specific cause, and then the symptomatic treatment.