Black dirt in the leukorrhea may be caused by gynecological inflammation, such as vaginitis, cervicitis, endometritis, etc. Due to inflammatory stimulation will cause increased leukorrhea, and also cause a small amount of bleeding in the vagina, a small amount of blood mixed in the leukorrhea can easily lead to black dirt in the leukorrhea. If it occurs before or after ovulation or menstruation, it is considered normal. Hormone secretion in the body changes before and after ovulation or menstruation, which can lead to a small amount of bleeding in the vagina, as well as imbalance in secretion. You should go to the hospital to have a routine white belt check and a hormone test, so that you can make reasonable adjustments according to the specific situation and pay attention to vulva hygiene.