There are several reasons for pimples on the labia: firstly, it is caused by local inflammation of the vulva, the pimples will be red and swollen, and there is obvious tenderness. The second is caused by warts on the vulva, and often accompanied by vulvar itching, increased vaginal secretions, pimples grayish-white in appearance and the surface is not smooth, similar to the cauliflower. The third is caused by genital herpes, which is often accompanied by vulvar itching and the appearance of blister-like growths on the labia, which is caused by herpes simplex virus infection. It is recommended that in addition to the inflammation of the vulva, warts and genital herpes can be transmitted through sexual contact, so do not have intercourse during the period of illness.