Anal fissure triad is a common anal canal disease that occurs in young adults, but also in children and less frequently in the elderly. According to the statistics in Europe and America, women have this disease more often than men, and according to our clinical observation, it is more common in men than women. Anal fissures often occur in the back and front of the anus, mostly in the back of the anus, and less often in both sides. At first, there is only a small fissure on the skin of the anal canal, sometimes it can be cracked to the subcutaneous tissue or to the superficial layer of the sphincter muscle, and the fissure is linear or prismatic, if the anus is opened, the fissured surface becomes round or oval. So, how to prevent and control anal fissure triad through a healthy and reasonable diet? A. What should patients avoid eating? 1, avoid eating spicy and stimulating, greasy, cold and hot food. Chili, onion, ginger, leek, garlic, cilantro, pepper, onion, etc., all have a pungent taste and are pungent substances. Therefore, anal fissure patients should not eat spicy food. 2, should not eat warm tonic products, but should eat nourishing products. The actual fact is that you will be able to get a lot more than just a few of the most popular and popular items. The warm tonic food is mutton, beef, chicken, dog meat, antler, etc.; the kidney food is cashew nuts, gravy, yam boiling porridge, chestnut stew, white fruit stew chicken, big bone soup, walnuts, etc. 3, dairy products. Dairy products are probably the most common food that can cause constipation, because of its high fat content and low dietary fiber content, not easy to digest, in the intestinal tract through the slow, so it will have a negative impact on digestive function, one of which is to cause constipation. Constipation patients should avoid dairy products are: whole milk, cheese, cream, ice cream. 4, sweet food. Sweet food is certainly delicious and attractive, but it is not good for digestion. Because the same, sweets also have a high fat content, low dietary fiber content and low water content of the problem. People who are prone to constipation should keep a distance from these foods. The common ones are: cakes, cookies, pastries, cookies, candy, sugary drinks, fast food. 5, fast food and refined food. Fast food or processed food has always been notorious, not only because these foods can cause constipation, but also because they are often associated with the development of cardiovascular disease. Natural fiber in food is often lost in the excessive processing, so people who often have constipation should avoid or limit the following foods: pizza, pasta, French fries, burgers, frozen meals, fried tortilla chips, meat food. 6, meat products. Various types of food, meat products have the highest protein content, but this type of food also has its own drawbacks. For the human digestive system, animal protein is more difficult to digest than vegetable protein. So if you often eat meat, especially beef and lamb, it can lead to constipation. It should be noted that animal protein itself does not cause constipation, but if you replace fiber-rich foods with large amounts of meat products in your daily diet, it can lead to constipation. Therefore, most experts recommend that meat foods should be eaten with vegetables, whole grains and other fiber-rich foods. 7, anal fissure patients should avoid eating or eat less stimulating diet. Such as white wine, yellow wine, chili, ginger, garlic, onion, etc., these diets can lead to constipation, and make the anorectal area congested, triggering or aggravating anal fissures. Second, what is good for anal fissure patients to eat? 1, should eat more fruits and vegetables rich in fiber and vitamins, to prevent constipation. The fruits such as apples, peaches, apricots, pears, bananas, melons, celery, spinach, leeks, alfalfa, cauliflower, wild rice, bamboo shoots and other vegetables are rich in fiber and vitamins and should be eaten daily to make the stool soft and easy to discharge, reducing the stimulation of dry and hard fissure wounds and promoting wound healing. 2, sesame, honey, vegetable oil, walnut kernel can laxative, anal fissure patients should be appropriate to eat more. 3, can eat more food with blood laxative effect. Such as cinnamon, jujube, walnut, caraway, wood ear, mulberry kernel, pine nuts, etc.