Anal and intestinal diseases are common and frequent diseases specific to human beings. In a broad sense: all kinds of diseases occurring in the anus and large intestine (including colon and rectum) are called anorectal diseases. There are more than 100 kinds of common. From a narrow sense: occurs in the anus and rectum on a variety of diseases. There are more than 30 kinds of common. Such as hemorrhoids (internal hemorrhoids, external hemorrhoids, mixed hemorrhoids), anal fissure, anal fistula, perianal abscess, anal skin disease, anal sinusitis, proctitis, rectal ulcers, outlet constipation, rectal prolapse, rectal proptosis, rectal prolapse, rectal mucosal prolapse, anorectal stenosis, anal incontinence, cancer of the anal canal, rectal cancer, anorectal papilloma, rectal polyps, anorectal tuberculosis, anorectal neurasthenia, warts, congenital anorectal anomalies, anal Rectal trauma, etc. What are the manifestations of anorectal diseases? 1.Pain: pain in anus and abdomen; 2.Changes in stool properties: loose stool, bloody stool, mucus-pus-blood stool, thin stool or granular; 3.Changes in bowel habits: diarrhea, constipation or more frequent, defecation obstacles or difficulties; 4.Localized performance of perianal area: prolapse of a swelling at the anal opening, mucus or blood flow from the anal opening, perianal mass protruding, anorectal sensation; 5.Abdominal manifestations: abdominal distension, abdominal pain, abdominal Systemic manifestations: chills, fever, nausea, vomiting, anemia, emaciation and so on. How to prevent anorectal diseases? 1, eat more vegetables, fruits and other foods rich in dietary fiber, eat less red meat, refined rice and other low-fiber foods; 2, eat less indigestible food; 3, change the eating habits of gobbling; 4, maintain an optimistic mindset, to overcome the bad mood; 5, pay attention to physical exercise 6, drink more water, to keep the bowel movement, and to form a good habit of regular defecation every day to avoid the long squatting toilet and other bad habits; 7, should be avoided or less stimulating foods and foods; 7, should avoid food or less stimulating foods and foods, or less stimulating foods. or eat less stimulating foods and drinks.