If you have a small pimple underneath your vagina, you should consider acromegaly, flat warts, or vaginitis combined with vulvar boils, and you need to consult a hospital and use medication or surgery under the guidance of a doctor. 1. Condyloma acuminatum is a disease caused by HPV virus infection, the main symptom is the birth of papillae or corns and other shapes of small bumps next to the external genitals and anus, which can be accompanied by itching and other symptoms. It is recommended to consult a doctor to choose the appropriate treatment method, usually through the external application of drugs corrosion or surgical excision of warts, in addition to laser treatment, microwave treatment, and so on. 2. Flat warts: these are usually caused by syphilis skin disease, preferably in the vulva, anus, armpits and other places, the shape is similar to the small pimples, but also itching and other symptoms. The main drug treatment, preferred penicillin drug treatment, penicillin allergy patients, available tetracycline and other antibiotic treatment. 3. Vaginitis combined with vulvar boils: Vaginitis is usually caused by vaginal inflammation due to infection with pathogens, and symptoms such as increased vaginal discharge and vaginal itching are often seen, and vulvar boils refer to an acute suppurative infection of the vulva, which can occur when the two diseases strike at the same time. A routine leukorrhea test is recommended for vaginitis to clarify which pathogen is causing the condition to facilitate the selection of symptomatic antibiotics for treatment. Vulvar boils can be treated with medication and, if necessary, surgery. It is advisable to consult a doctor or pharmacist for treatment of these symptoms and not to use medication on your own.