The yellowing of the leucorrhoea after the application of Povidon suppositories is mostly due to the following reasons: firstly, because of vaginal inflammation, abnormal leucorrhoea is caused by the application of vaginal suppositories, and the leucorrhoea and the medication are mixed, the shape and color of the leucorrhoea will easily change. Secondly, because of the inflammation of the cervix, it is also easy to have yellowish colored leucorrhea. The vaginal suppositories can be used to remove moisture and relieve itchiness, which is a good treatment for vaginal inflammation and chronic cervical inflammation caused by various reasons, but the leucorrhea will change during the initial application period.