Women can go directly to the hospital and register with the gynecology department for a vaginal examination. Women need to choose the examination time according to their physical condition when doing vaginal examination, if it is because of vaginal itching, increased secretion need to do the examination, you can do the examination at any time, only need to do gynecological examination and leukorrhea test can be done, in the examination must pay attention to the first 3 days can’t use the vaginal medication, can’t douche the vagina, to be able to ensure the accuracy of the examination results. If the patient just for colposcopy or cervical screening, must choose no vaginal bleeding, preferably in the menstrual period clean 3-7 days after the examination, because if the patient has a colposcopy abnormalities, need to do a cervical biopsy, cervical biopsy cervical localization will have trauma. If the patient has a menstrual period before the trauma has healed, it can lead to poor healing of the trauma and infection, or lead to localized endometriosis.