Normally, a normal anal fingerprinting of the prostate does not hurt, but it may cause sensations such as swelling and discomfort in the anus. Anal fingerprinting of the prostate is mainly used to check the size and texture of the prostate, whether there is pressure and pain, nodules. The central groove disappears and so on, is a kind of clinical diagnosis of the prostate gland more often used, specifically the patient takes the chest and knee lying position, the doctor will be in the index finger or middle finger coated with lubricant, the finger will be inserted into the patient’s anus to touch the prostate gland, to carry on the diagnosis and examination. If the patient’s anus is normal and there is no perianal stenosis, perianal infection, etc., usually the examination will not feel obvious pain, but because the finger is inserted into the anus, so there may be anal swelling, discomfort in the stool. It is recommended that patients try to relax during the examination and not to be too tense and anxious, otherwise anal contraction is likely to occur, which is not conducive to the doctor’s normal examination and may aggravate the discomfort brought about by the examination.