The common symptoms of anal diseases include blood in stool, pain, constipation, swelling, prolapse of intestinal canal, perianal itching, dampness, anal or perianal overflow discharge, and perianal skin erosion. Anal diseases have many adverse effects on health such as pain during defecation, dampness and itching around the anus, which bring inconvenience to daily life. Long-term anal diseases may induce some chronic diseases such as hemorrhoids and anal fissure bleeding, which may cause chronic anemia, and long-term constipation, which may induce colorectal cancer, etc. Because anal diseases directly endanger people’s health, so it is very important to actively do a good job in the prevention of anal diseases. A, keep the stool is an important part of the prevention of anal diseases, develop good bowel habits, 1-2 times a day, preferably on time stool, avoid squatting for a long time, force defecation or long stool. Constipation or habitual constipation, should consume more coarse fiber vegetables, fruits, containing more oil can laxative nuts, etc.; often massage the abdomen to enhance intestinal peristalsis. Second, to develop good eating habits, diet should not be too fine, not partial food, not into the stimulating food, fat, protein food should not be too high. Eat more coarse fiber vegetables, such as celery, spinach, cabbage, etc. and fat-rich nuts such as walnuts, peanuts, sesame, etc.; ripe fruits such as apples, bananas, pears, appropriate protein such as milk, eggs and appropriate fat; enough water, the amount of water should reach 2000-3000ml per day; the elderly and infirm, women and children, can often drink milk and honey, both nutritional value and laxative. Third, develop good hygiene habits, clean the anal area daily after the stool, to prevent infection, keep the anus clean and dry, underwear should not be too tight, too hard, so as not to rub the anal skin. If you have the conditions, you can often sit in the bath, do not use irritating drugs in the anus. 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. For those who have been squatting and sitting for a long time, they can increase their activities, change their position, participate in interval exercises and other sports activities to improve local blood circulation and prevent anal diseases. Five, such as chronic enteritis, hypertension, tuberculosis, hepatitis and other diseases should be treated in a timely manner. 6. timely treatment of anal diseases, such as pinworms, trichomonas, eczema and pruritus, in the case of embedded hemorrhoids or perianal redness, swelling and pain, prolapse or more blood or pus and blood stool after the stool, should go to the hospital as soon as possible to avoid delays or cover up other serious diseases, delaying the time for treatment.