The coffee-colored leukorrhea is considered to be caused by chronic bleeding, such as cervicitis, cervical erosion, cervical polyps, as well as endometriosis, vaginitis, etc., can cause chronic bleeding.1, the cervical area of the inflammation of the cervix repeated stimulation of the cervix, the mucous membrane is prone to chronic bleeding, caused by coffee-colored leukorrhea. If the cervical erosion fails to reach the second or third degree, chronic bleeding is also likely to occur.2, cervical polyp patients are prone to bloody leukorrhea when they are stimulated by the outside world.3, endometriosis is prone to cause the uterus to appear irregular bleeding, and coffee-colored leukorrhea occurs when the bleeding is small amount.4, if a woman suffers from vaginitis, the inflammation repeatedly stimulate the inner wall of the vagina and the mucous membranes of the uterus and cervix, which is likely to cause chronic bleeding, which can lead to a Brown colored discharge. If coffee-colored leukorrhea persists during the non-menstrual period, it is recommended to have a gynecological examination to confirm the cause of leukorrhea.