Women’s body under the old flow of dirty things may be a physiological phenomenon, may be gynecological diseases such as vaginitis, cervicitis, endometrial cancer, cervical cancer and so on caused. If a woman’s vagina is dirty, this is a normal physiological phenomenon if it is around the time of menstruation. There may be a small amount of menstrual blood secretion, long time accumulation and the formation of black. If there is blood, or coffee-colored or brown secretion at other times, it may be caused by vaginitis, cervicitis, endometrial cancer, cervical cancer and other diseases. It is recommended to consult a doctor in time to identify the cause and treat the symptoms. In addition, urinary tract infection may also cause such symptoms, can be tested urine routine and other tests. In normal life, you should pay more attention to maintain pubic hygiene, change and wash your underwear frequently, and pay attention to balanced nutrition in your diet.