If you have menstruation a year after menopause, you need to go to the hospital for a checkup to determine the cause. If you are a younger woman, it may be due to endocrine disorders that cause menstrual disorders, menopause is not really menopause, but amenorrhea. This situation must do ultrasound examination to see the size of the uterus, whether there is atrophy, the thickness of the endometrium, but also need to check the gynecological endocrine laboratory to determine whether the patient into the menopause, no menopause can regulate menstruation treatment, if amenorrhea and accompanied by thick endometrium, it is necessary to further hysteroscopy plus scraping send pathology; if the older, after menopause and menstruation, the first thing to find out the cause of blood, do If you are older and have menstruation after menopause, you should first find out the cause of the bleeding, do cervical TCT to exclude cervical lesions, do ultrasound to see the endometrium, and if necessary, do hysteroscopy plus scraping to send the scrapings to pathology to exclude endometriosis. Another possibility of postmenopausal menstruation is that if you have sex, you should consider whether the vaginal discharge has decreased, the vagina is dry and no lubricant has been used, causing mechanical damage to the vagina. Therefore, if you have postmenopausal bleeding, the first thing you need to do is to go to the hospital for examination, diagnosis and treatment in time.