The whitening of the inner side of the vulva is usually considered to be caused by vulvar leukoplakia, vitiligo or fungal vulvovaginitis, etc. The fact that it used to be itchy and now it doesn’t itch anymore may indicate that the disease is in a non-episodic stage. 1. vulvar leukoplakia: is a chronic disease, may be related to vulvar moist unhygienic, harmful substances stimulation, low immune function or traumatic infections and other factors, will lead to female vulvar part of the skin pigmentation changes, the patient is difficult to cure, easy to recur vulvar whitening and irregular itching as the main symptom of manifestation. 2. vitiligo: if the patient vulva part of melanocyte destruction, the symptoms of vitiligo will also lead to the patient vulva inner white, vitiligo often attacked in the skin folds or friction parts, usually has obvious seasonal, and will be accompanied by the affected part of the eczema, ringworm and other inflammatory reaction, resulting in paroxysmal vulvar itching. 3. fungal vulvovaginitis: patients if the immune system is relatively low, may also cause Pseudomonas aeruginosa invasion of body tissues, resulting in the occurrence of fungal vaginitis, the typical clinical symptoms manifested in the vulva irregular itching, vaginal secretion increase, but also a small number of patients will be due to the inflammation of vulvar whitening of the inner side of the phenomenon. Patients who have whitening on the inner side of the vulva and used to itch but not anymore should go to the gynecology department of a regular hospital in a timely manner to get a clear picture of the type of disease and take timely and targeted treatment measures.