The whitening of the vagina is related to many diseases, mainly the following: first, consider the emergence of chronic lichen simplex, when this disease becomes more serious, there will be symptoms of vulvar skin whitening, and at the same time there will be itching, pain and other symptoms. Secondly, it is considered to be triggered by vulvar sclerosing moss, and some patients may also have symptoms such as vulvar burning and vulvar atrophy, and at the same time, they may show poor elasticity of vulvar skin and other disease reactions. Thirdly, it may also be triggered by vulvar vitiligo or lichen planus and other diseases, these patients will have vulvar color changes, resulting in vulvar color whitening. Fourth, it may also be caused by other diseases, can not be completely excluded systemic diseases, such as diabetes complication vulvitis, vulvovaginal pseudomycelium yeast disease and other various problems, may lead to excessive keratinization of the vulvar skin so as to show white, need to be based on the specific cause of the symptomatic treatment.