Anal fingerprinting, or rectal fingerprinting, can detect a number of conditions including hemorrhoids, anal fistula, rectal cancer, rectal prolapse, and more. Rectal palpation is a simple but very important method of physical examination in surgery, and many diseases can be detected by rectal palpation, including hemorrhoids, anal fistula, rectal cancer, rectal prolapse and so on. The external hemorrhoids in hemorrhoids can be detected by visual inspection; internal hemorrhoids are mostly soft and not easy to feel. If a thrombus forms, a hard knot can be felt, sometimes with tenderness and bleeding. Fistula can be detected by palpation during rectal examination, or a hard knot can be felt at the opening of the fistula. In rectal cancer, hard nodules, ulcers, or cauliflower-like swellings may be palpated during rectal palpation, and pus, blood, and mucus may sometimes be present on the fingerstick. A person with rectal prolapse may find the rectum filled with mucosa and a non-empty feeling on examination. Rectal finger test is commonly used in clinical practice, the method of operation is simple, effective, especially if there is physical perianal discomfort, please go to the hospital in time, not because of this part of the special and do not check, to avoid delays in the condition.