As the saying goes, “Nine out of ten people suffer from hemorrhoids”, which illustrates the prevalence of anorectal diseases. The outbreak of anorectal diseases is high, and the scope of the disease is wide enough to affect both men and women, young and old. How to prevent this widespread disease? Although anorectal diseases are less life-threatening, but the more serious condition, but often affect normal work and life, even if the condition is mild, but also from time to time to endure the pain of the disease, so we have to pay attention to the prevention of anorectal diseases. Now in winter, the weather gradually turned cool, the human body can not immediately adapt to the climate change, this time is the anal part of the disease season. In addition to climatic factors, at this time people outdoor activities are reduced, but also often like to eat hot pot, barbecue and other food, to know that these are some of the main reasons for triggering and aggravating anorectal diseases. The main symptoms of anal and intestinal diseases are bleeding in the stool, swelling prolapse, pain, pus, oozing and constipation, etc., especially bleeding in the stool is the most common, generally bright red color, the amount of bleeding can be more or less, such as prolonged bleeding, is very likely to lead to anemia in the human body. The common lesions that cause blood in the stool are hemorrhoids, anal fissure, polyps, colorectal inflammation, ulcers, etc. Of course, cancer of the anus and intestines will often appear blood in the stool, so you should ask a professional physician to assist in identifying. To prevent anal and intestinal diseases usually should strengthen the exercise, enhance physical fitness, adhere to the daily anal exercise, sedentary and standing, appropriate change their position; active treatment of constipation, to maintain a smooth bowel movement, and develop the habit of defecation every day; defecation should be promptly cleaned with lukewarm water; with a reasonable diet, drink plenty of boiled water, more food easy to digest and crude fiber foods, such as fresh vegetables, fruits, and black sesame, walnuts, honey, etc., avoid eating fried, fried, fried, fried, fried, fried, fried, fried, fried, fried, fried, fried, fried, fried, fried, fried, fried and fried. Avoid eating fried and spicy food.