Precautions before the gynecological examination include examination time, avoiding the use of drugs, prohibiting vaginal douching, avoiding sexual intercourse and so on. 1. Examination time: gynecological examination can not be done at any time, it can not be done during menstruation, generally the best time for examination is 3 to 7 days after the end of menstruation. 2. Avoid the use of vaginal drugs: the use of vaginal drugs before the examination will make the specimen extracted during the examination inaccurate, affecting the results, the use of these drugs is prohibited. 3. Prohibit vaginal douching: vaginal douching before the examination is also not allowed, after douching may wash away the potential lesion cells, the examination can not be extracted to the accurate specimen, the results are wrong. The day before the examination, you can use water to wash the vulva is OK. 4.. Prohibit conjugal life: sexual intercourse the day before the examination is also not allowed, which will make the intravaginal environment affected, and may also retain semen, appearing obvious deviation. Gynecological examination must be carried out in regular hospitals.