Gynecological duckbill clip is a vaginal dilator, i.e., vaginal speculum, used to open the vagina during gynecological examination, exposing the vagina and cervix, facilitating examination or gynecological operation. The use of vaginal dilators by professional gynecologists to operate, not blindly operate on their own. To avoid harm to the body. Vaginal speculum for gynecological examination must be used as an auxiliary device, which is mainly used to observe the vaginal wall, exposure of the cervix, and at the same time can effectively avoid vaginal injury. It is also often used for vaginal douching and general gynecological surgical operations. According to the different ways of opening the vaginal dilator, the vaginal dilator can be divided into pivot type and push-pull type, the push-pull type is commonly used in general gynecological examination. According to the length and width of the vaginal dilator, it can be divided into large size and small size. As a professional gynecological examination instrument, the vaginal dilator is simple to operate, but it involves more gynecological expertise and is not used as a daily vaginal douche tool for women’s personal use. The use of vaginal dilators by professional gynecologists to operate, not blindly operate on their own. So as not to cause harm to the body.