Boils on the wall of the vulva may be caused by inflammation of the vestibular gland or folliculitis. 1. Inflammation of the vestibular gland: when pathogens (mostly mixed bacterial infections) invade the vestibular gland, it can initially lead to inflammation of the vestibular gland, and the opening of the glandular ducts can be blocked due to the accumulation of exudate and secretion, when the infection is further aggravated to cause vestibular cysts, there is localized swelling, pain, and burning, and when aggravated, abscesses with a fluctuating sensation can be palpated. 2. Folliculitis: when the infection of the follicular opening of the vulva occurs with purulent inflammation, pustules can be formed locally, surrounded by a red halo, and yellow scabs can be formed after rupture. The perineum appeared larger pimples, it is recommended to go to the regular hospital in time, the doctor to clarify the cause of the disease, give targeted treatment.