由于女性生理和解剖的特点,清洗外阴历来是她们保持外阴清洁的一种卫生习惯。但是既往采用的就厕后用手纸揩擦,就寝前用浴盆清洗的做法,都有不少弊病。这不仅仅因为手纸、浴盆、毛巾本来就不可能灭菌,而且清洗过程中在同一盆水中反复冲洗,还可将清洗入水的细菌、病毒再次污染邻近组织,如阴道分泌物污染尿道等,造成交叉感染。尤其随着改革开放大潮,人们的活动范围日益加大,性病又在我国 Due to the physiological and anatomical characteristics of women, cleaning the external vulva has always been a hygiene practice for them to keep their vulva clean. However, there are many drawbacks in the practice of using a bathtub to clean the toilet before use. This is not only because toilet paper, bathtubs, and towels cannot be sterilized, but it is washed repeatedly in the same basin of water during the washing process. It can also contaminate neighboring tissues with bacteria and viruses that have been washed into the water, such as vaginal secretions contaminating the urethra, causing cross-infection. In particular, with the trend of reform and opening up, the scope of people’s activities has been increasing and sexually transmitted diseases have become