Anal 7 points, 11 points, usually refers to the location of the lesion of anal disease, the patient usually take the truncated position, that is to say, the patient is lying on his back, legs elevated, full exposure of the anus, the general anus 7 points refers to the lower left side of the anus, the anus 11 points refers to the upper left side of the anus. In the anus or perianal rectal mucosa lesions, clinical generally centered on the anus, analogous to the clock point orientation, to initially determine the location of foci of anorectal disease. General anus 7 points, 11 points, analogous to the clock hands pointing to the direction of 7:00, 11:00, that is, the lower left side of the anus (7:00), the upper left side of the anus (11:00). Generally sedentary people are prone to anal and intestinal diseases, because the lower part of the anus is the main point of force, prolonged force, it is easy to form abscesses, anal fistula, so the lower left side of the anus at seven o’clock is a common lesion site for perianal abscesses and anal fistulas. And the upper left side of the anus, that is, 11 o’clock direction of the anus for hemorrhoids, fissure of the anus is a common site.