A pimple on the skin of the labia majora is usually the first thing to consider whether it is folliculitis, boils or carbuncles, or it may be sebaceous adenitis, sebaceous cysts, or labial lipomas, smooth muscle tumors and so on. If there is pus and tenderness, consider the infection, such as folliculitis, boils, carbuncles, need to keep the vulva clean, dry and breathable, local disinfection and topical erythromycin ointment treatment, do not easily squeeze to avoid spreading the infection, if the purulent mass is relatively large, can be incised and drained symptomatic treatment. If the painless boils, carbuncle lumps smaller, can be observed, if increasing, need to go to the hospital, if necessary, surgical resection of pathology, keep the vulva clean, dry, breathable, avoid extrusion.