If a 53-year-old woman stops menstruating for a year and then menstruates a year later, this situation is definitely not normal. Vaginal bleeding after one year should not be considered as normal menstruation. The following possibilities should be considered: 1) the patient has taken certain health supplements containing estrogen and progesterone, resulting in a situation similar to menstruation. Preliminary judgment is needed through gynecological internal examination ultrasound, CT, tumor markers, hysteroscopy and other related examinations, and then further examination and treatment will be conducted according to the examination; 3. To consider that it may be caused by benign gynecological lesions, such as inflammatory pelvic cavity, vaginal inflammation, polyp-like changes of the cervix and endometrium, etc. It is also necessary to do gynecological internal examination and ultrasound for preliminary examination.