The position of the cervix on its own in the cervix of the vagina in the posterior fornix, about 10cm from the vaginal opening, that is, the pessary is completely inserted into the vagina finger to reach the depth of the pessary, generally in the cervix on the pessary before pay attention to wash the vulva, to keep the vulva clean, dry, wearing a finger cuff will be pessary inserted into the vagina, pessary in the posterior fornix melting, the entire cervix will be immersed in the liquid to achieve the therapeutic effect. Cervix on their own time, try to choose before going to bed, is conducive to prolonging the time the drug stays in the body, maximize the efficacy of the drug, if you apply the drug on their own, it is difficult for them to clearly grasp the drug coated in the lesion site, you can apply the drug on the whole cervical opening, thus conducive to the drug to play the efficacy of the drug. During the medication period, pay attention to washing and changing underwear diligently, keep the vulvar skin clean and dry, and try to wear loose, comfortable cotton underwear.