根据卫生要求,无论男女都应常用水,尤其是已婚妇女应坚持每天擦洗或冲洗外阴,然而,女性洗涤外阴不宜用肥皂,更不能用碱性强的如洗衣服的肥皂或其它碱性药水。通常女性大阴唇处于合拢状态(一般在排尿排便或性生活时才“敞开”),掩盖着阴道口及其上方的尿道口。阴道里的酸性分泌物具有自净作用,即PH值在4 According to health requirements, both men and women should be used water, especially married women should insist on daily scrub or wash the vulva, however, not suitable for women to wash the vulva with soap, not to use strong alkaline detergent such as laundry soap or other alkaline . Female labia majora are usually closed (usually when urinating defecation or sexual life “open ”), covering the vaginal opening and the urethra above it. Acid secretion in the vagina has a self-purification effect, that is, PH value of 4