Finger examination is a physical examination of the vagina in women, the prostate in men, and the anus and rectum. The doctor wears a finger sleeve coated with petroleum jelly and sticks it inside the vagina or anus to touch the inner wall for smoothness, pain, masses, and the presence of blood, pus, and mucus on the finger sleeve after extraction to determine the lesion. Vaginal finger examination: Vaginal finger examination can touch the texture of the inner wall of the vagina, secretions, etc., and can determine whether there is vaginitis and cervicitis. In combination with small abdominal pressure on the uterus, the texture of the cervix and the presence of edema, polyps and erosion can be palpated to determine cervical polyps and cervical cancer. It is important to note that women without a history of sexual intercourse are generally not given vaginal finger examinations. The prostate gland is located in the middle of the ventral part of the body, about 3-4cm away from the anus. 1. Prostatic hyperplasia: smooth and elastic bumps can be palpated without any indentation or pressure pain. 2. Prostate cancer: enlarged prostate with hard texture and no pressure pain may be prostate cancer, which needs to be identified with other imaging tests. Anal finger examination: 1. anal fissure: a fissure at the anus and severe pain in the rectal wall when touched by finger examination is considered to be caused by retrograde infection of anal fissure; 2. rectal-anal abscess: usually painful with pressure and fluctuating sensation; 3. rectal polyps: smooth, soft and elastic masses can be palpated and need to be reexamined by proctoscopy to exclude the possibility of tumor or other diseases; 4. rectal cancer: if it is an uneven and hard node with accompanied by bleeding symptoms, it may be rectal cancer and needs to be diagnosed through pathological examination.