Red pimples on female vulva may be caused by eczema, drug allergy, folliculitis and so on. 1. Eczema: women do not pay attention to personal hygiene and other reasons, resulting in the emergence of vulvar eczema, in addition to the vulva can be seen in the red pimples, there will be very obvious vulvar itching. 2. Drug allergy: patients with vulvar or vaginal use of topical drugs, due to personal physical problems, allergies, there will be red pimples on the vulva. 3. Folliculitis: patients due to staphylococcus aureus and other bacterial infections, vulvar folliculitis, can be seen around the vulvar follicles appear red papules, pustules and so on. There are many possible reasons for red pimples on female vulva. Patients need to go to the regular hospital for examination, clear causes, targeted treatment.