Salt water cleaning of the vulva, for vulvar itching has a certain effect, can make the symptoms of vulvar itching in a short period of time to get better, but salt water can not solve the root of the problem leading to vulvar itching. The most common cause of vulvar itching is still various types of vaginitis, such as mycotic vaginitis, trichomonas vaginitis, etc., which can lead to vulvar itching symptoms are particularly serious. In this case, the simple use of salt water cleaning does not work, it is recommended to do gynecological examination and routine leukorrhea, to clarify the cause before using drugs. Generally, it is necessary to use local vaginal plugs, together with external washing medicine comprehensive treatment. In addition, during the treatment period, we must pay attention to perineal hygiene to avoid cross-infection, and also prohibit sexual intercourse.