After the end of menstruation, a small amount of coffee-colored discharge, there may be the following reasons: 1, premature coitus, although the menstruation has ended, but the endometrium is not fully restored to its original state, the endometrium of the small blood vessels are still very weak, premature coitus on the endometrium to produce stimulation, so there will still be a small amount of bleeding so that the secretion appears brown. 2, the late period of bleeding is small, the discharging is not smooth siltation in the The brown color appears when it is mixed with leukorrhea.3. Gynecological diseases, such as cervical erosion, uterine fibroids, or endometritis, can cause brown secretions.4. Luteal insufficiency, which can’t support the development of the endometrium during the period of secretion, can also cause brown secretions. After the end of menstruation, a small amount of brown discharge, if the duration is not long, usually physiological not to worry, if the time is longer to go to the hospital for examination.