There are several reasons for the black spots on the top of women’s panties: first, it may be that the panties have been cleaned and left in the room for too long with moldy problems, it is best not to wear these panties, which may lead to mold infection or other gynecological diseases. Second, may be due to a small amount of vaginal bleeding symptoms, such as a small amount of vaginal bleeding may adhere to the top of the panties, thus appearing black spots, need to be combined with the actual situation to determine. Thirdly, it may be caused by changes in vaginal secretions. If vaginitis is present, the color of the secretions may change and black spots may appear. Pay attention to the symptoms in order to avoid disease problems. It is recommended to have a gynecological examination in time when abnormalities are found.