Colposcopy requires more attention, such as avoiding menstruation, forbidding coitus, not using drugs and so on. When the patient is in menstruation, the cervical opening is in an open state, in order to avoid the upward infection or menstrual blood affecting the examination result due to colposcopy, so it is not possible to do colposcopy during menstruation, generally, it is recommended that colposcopy be performed within 3-7 days after the end of menstruation, which will give a more accurate examination result. Intercourse should be prohibited two or three days before the examination to avoid body fluids remaining in the vagina. For patients suffering from gynecological diseases, the use of vaginal suppositories should also be avoided three days before the examination to avoid drug residues affecting the examination results. If the patient suffers from more serious cervicitis, vaginitis and other gynecological inflammation, should not be examined, should first treat the inflammation. If the gynecological cervix atrophies after menopause, estrogen treatment should be given before doing colposcopy. In addition, before the examination, patients should try to maintain a light diet, pay attention to local hygiene, and if there are uncomfortable symptoms after the colposcopy examination, they should consult a doctor in time.