In case of itching outside the vagina, it is recommended to wash it with a double ginseng lotion followed by local application of paregoric ointment, which can achieve a rapid anti-itch effect. However, for vulvar itching, it is better to check the causes of itching, such as whether there is vulvar dermatitis, vulvar dystrophy, or certain pathogenic infections of the vagina, such as Candida infection, trichomonas infection, mycoplasma infection, or chlamydia infection, which can cause itching of the vulva. It is recommended to do a clinical gynecological examination and to do routine laboratory tests of the white belt, mainly to understand whether there is vulvar dermatitis, and then give treatment; whether there is pathogenic bacterial infection, and then targeted medication. In addition, during vulvar itching, you should not have sexual intercourse, and you should pay attention to wearing loose underwear.