Women should not menstruate again after three years of menopause, and after three years of menopause, vaginal bleeding is not normal menstruation, and abnormal vaginal bleeding should be considered, which must be examined to determine the cause of the symptomatic treatment. Patients need to do gynecological internal examination to observe whether the blood comes from the vagina, cervix or uterine cavity, from the vagina or cervix and then observe whether there is any local organic lesions, organic lesions need to take a biopsy to determine the nature of the biopsy; there is no organic lesions need to do a colposcopy, under the monitoring of colposcopy, in the suspected lesion area to send the material to the pathology examination. If the patient’s blood comes from the uterine cavity, gynecological ultrasound and hysteroscopy must be done to determine whether the bleeding is caused by endometrial tumors or endometrial inflammation or polyposis, and then according to the examination to determine the next step of the examination and treatment.