Menstruation in an 80-year-old woman is generally abnormal, and it is recommended that the patient go to a regular hospital for examination to clarify the cause of the disease. Older women in their 80s generally due to the physiological depletion of follicles in the ovaries due to menopause, usually will not come back to menstruation. At this time is generally seen in two factors, the first is taking too much estrogen and progesterone, resulting in abnormal proliferation of the mucosa in the uterus; the other is a gynecological tumor, may be malignant tumors caused by abnormal vaginal bleeding. Therefore, it is recommended that patients seek timely medical attention, because at this time vaginal bleeding may be due to genital inflammation, tumors, if not treated in time, the original disease may progress, threatening health and even life.