The tightness of the vaginal entrance needs to be determined by the patient’s specific condition. If the patient has not had sex, mostly caused by congenital dysplasia, due to the growth and development of the vagina in the process of vaginal growth and development of the vaginal inlet growth and development of the vaginal inlet, there will be a relatively tight phenomenon If the patient is a normal delivery and there is a vaginal fracture or reduction of the vagina after surgery, in the local sewing of the vaginal inlet suture is relatively tight, leaving a small space, there can be a tight phenomenon of the vaginal inlet. The phenomenon of tightness. Patients can choose to go to the local public hospital obstetrics and gynecology department for vaginal inlet examination, to clarify the specific causes of the disease and then choose the appropriate treatment.