Vaginal dilators can be used for cervical release, but the decision depends on the situation. For patients with vaginitis and pelvic inflammatory disease, vaginal dilator is usually not necessary; for patients after cervical LEEP surgery and cervical cold knife conization, vaginal dilator is necessary. 1. For patients with vaginitis and pelvic inflammatory disease, if the cervix is required to put drugs into the posterior fornix of the vagina, so the patients wear disposable gloves and then put the drugs into the depth of the vagina as far as possible, and then there is no need to use a vaginal dilator. 2. For patients after cervical LEEP surgery, cervical cold knife conization surgery, due to the local exposure of fresh trauma, so need to use saline every day to rinse the local, with local drug to promote wound healing, this time the doctor in order to observe the healing of trauma need to use a vaginal dilator. For patients who need cervical natriuretic drugs, it is recommended that they go to the gynecology department of a regular hospital, and choose the appropriate medication under the guidance of the doctor after clarifying the cause of the disease.