If the vulva is itchy without inflammation, the following possibilities are considered: First, the itching is caused by excessive leukorrhea stimulating the vulva when there is an increase in physiological leukorrhea, in which case the itching is mild and can be relieved by changing underwear regularly and washing the vulva frequently without special treatment. Second, consider that the patient may be allergic to sanitary napkins or clothing resulting in itching, in this case the external itching is more serious, may be accompanied by vulvar redness and swelling, you need to remove the allergens in a timely manner, at the same time can use dexamethasone ointment or budesonide ointment and other hormonal ointment, local topical application for anti-allergy treatment, the effect is still very good. Thirdly, it may be caused by local skin lesions of the vulva, such as leucoderma or vulvar sclerosing moss.