Anal fistula is an unspeakable problem for many people, bringing not only pain but also inconvenience to their lives. So how do you prevent anal fistula? The first thing you need to do is to make sure that you have a good idea of what you are doing. The actual fact is that you can find a lot of people who are not able to get a good deal on a lot of things. You should eat more light foods rich in vitamins, such as mung beans, radish, winter melon and other fresh vegetables and fruits. The most important thing is to have a good understanding of the situation. The actual fact is that you can find a lot of people who are not able to get a good deal on a lot of things. 3.Anal burning discomfort and anal drop should be investigated and treated promptly. 4, prevention and control of constipation and diarrhea is important for the prevention of perianorectal abscess, because dry stools can easily bruise the anal sinus, plus bacterial invasion and infection. Most people with diarrhea have the presence of proctitis and anal sinusitis, which can lead to further development of inflammation. 5, active treatment Active treatment of systemic sexually transmitted diseases that may cause perianal rectal abscess, such as ulcerative colitis, Crohn’s disease, etc. 6.Cultivate good defecation habits Daily sitz bath after defecation to keep the anus clean has a positive effect on the prevention of infection. In addition, when the anal fistula is infected with pus, you can borrow a sterilized needle to pick through the outer opening and remove the pus, which is also a good care measure to relieve the distension and pain, but also to prevent the spread of pus to other parts. Topical herbs that clear heat and detoxify can be commonly used, decocted and washed externally.