Bleeding one week after the end of menstruation may be caused by the following clinical reasons: First, bleeding during ovulation, which often occurs in the middle of menstruation, and supplementation of estrogen will improve the symptoms. Second, due to endocrine disorders, such as the decline of estrogen, causing the endometrium to lose the support of estrogen, there will be shedding and cause bleeding. Third, endometrial inflammation and endometrial polyps may cause bleeding. In addition, submucosal uterine fibroids, pelvic tumors, or cancer of the endometrium, all of them will have this corresponding symptom. It is recommended that patients actively go to the hospital for examination, and only through the examination of a clear diagnosis can be given the appropriate drugs for treatment. It is also recommended to maintain good living habits in daily life, as irregular life, excessive smoking and drinking may also lead to vaginal bleeding.