Female anal examination, also known as rectal diagnosis, is an examination of the anus and rectum of the human body, which can check hemorrhoids, rectal tumors, rectal polyps and other diseases. 1. Hemorrhoids: Hemorrhoids is a relatively common anorectal disease, for internal hemorrhoids without thrombosis or fibrosis, can be operated by a professional doctor through the rectal fingerprinting to understand the situation of internal hemorrhoids, as well as the rectum with or without other lesions. 2. Rectal tumor: when patients with suspected rectal tumor undergo rectal palpation, they can feel the hard mass with uneven surface or cauliflower pattern, pus, necrotic tissue and dark red blood, etc., which will make a preliminary judgment on the tumor. 3. Rectal polyps: if the doctor conducts anal examination on the patient, if the position of the patient’s polyp is low, the doctor can find a round soft mass with smooth surface and large mobility; if the polyp is hairy, then the rectal cavity can be touched and there are bunches of grapes like spherical masses of different sizes. Usually only by anal examination is difficult to diagnose the disease, patients need to cooperate with other related examinations to confirm the diagnosis, in addition, rectal fingerprinting can also be detected anal fistula, anal fissure, anorectal peripheral abscess and other diseases, it is recommended that the patient consult a doctor for examination in a timely manner, to clarify the condition of the targeted treatment.