There are physiological factors and pathological factors for women to experience menorrhagia, the main ones are: 1. If women are in their reproductive years, menorrhagia occurs about 1-2 days after the result of menstruation, which is a normal physiological phenomenon, probably due to the change of hormone secretion of the body, and it does not need any special treatment, and it will naturally end in 1-2 days or so, and the amount of bleeding is relatively small, and it will not affect the body’s health. 2. Some women who have been menopausal for more than 6 months may experience vaginal bleeding, which is also called menorrhagia. If some women who have been menopausal for more than 6 months experience vaginal bleeding, it is also called menorrhagia. Menopausal women who experience menorrhagia belong to pathological phenomenon, which may be due to endometrial cancer or cervical cancer. It is recommended to go to the gynecology department of the hospital in time to do gynecological and ultrasound examination with the doctor to diagnose whether there is endometrial thickening or not, and if there is thickening, it is necessary to do scraping diagnosis to diagnose whether there is any pathological change or not.