The most common cause of vulvar pimples is boils caused by local inflammatory reactions. The reason for the inflammation is that the vulva is not properly cared for, or the sanitary napkin is not changed in time when menstruation occurs, and the underwear is not changed for a long time, resulting in local friction causing inflammatory reactions, so local redness and swelling can occur, and in serious cases, pus may appear. Once this happens, give timely treatment, first give local cleaning, after cleaning in the local application of Bactrim, erythromycin ointment for treatment, if necessary, you can take oral antibiotics for treatment. The majority of them will improve significantly after 3-5 days of treatment. It is recommended that women strengthen the local care of the vulva, and do not wear tight pants, pay attention to the hygiene of sexual life and menstruation to reduce the infection of pathogenic bacteria and reduce the possibility of causing inflammatory reactions in the vulva.