Anorectal diseases are common and frequent diseases unique to human beings. According to the relevant census data, hemorrhoids and other anorectal diseases, the incidence of 59.1%, hemorrhoids accounted for all the anorectal diseases of 87.2%, which is the most common internal hemorrhoids, accounting for all the anorectal diseases of 52.19%. Both men and women can get sick, the incidence rate of women is 67%, the incidence rate of men is 53.9%, with the incidence of women as high (due to the general unwillingness of female patients to accept hemorrhoid treatment, so part of the clinical treatment of hemorrhoids statistics show that male hemorrhoids patients than female); any age can be onset of the disease, and the 20-40 year olds are more common, and can be gradually aggravated with the increase in age, so there are “Ten people nine hemorrhoids” said. From the broad sense: occur in the anus, colon on the cul-de-sac disease are called anorectal disease, common disease more than 100 kinds of. From the narrow sense: occur in the anus and rectum on a variety of diseases, common more than 30 kinds of, such as: internal hemorrhoids, external hemorrhoids, mixed hemorrhoids, anal fissure, anal fistula, perianal abscess, anal skin disease, anal sinusitis, proctitis, rectal ulcers, export constipation, rectal prolapse, rectal proptosis, rectal mucosal prolapse, anorectal stenosis, anal incontinence, anal canal cancer, rectal cancer, anal papilloma, rectal polyps, anorectal tuberculosis Anorectal neurosis, condyloma acuminatum, congenital malformation of anorectum, trauma of anorectum.