Small bubbles at the vaginal opening are mainly considered to be caused by inflammatory stimulation and viral infection. If accompanied by pain, itching and other uncomfortable symptoms, patients need to undergo timely examination such as leucorrhoea and treatment. Common causes and treatments 1, boils: if accompanied by pain, may be vulvar folliculitis caused by boils, mostly bacterial infection caused by inflammation of the hair follicle, according to the symptoms and auxiliary examination results, the application of mupirocin treatment; 2, vulvar eczema: manifested as vulvar skin papules, blisters, scratching can appear erosion, exudate, often accompanied by intense itching, burning, pain, can be treated with glucocorticoid drugs;. The vestibular gland cysts are relatively small, you can use local anti-inflammatory drugs to deal with, if the increase or even pus need to be incised and drained; 5, genital herpes: sexually transmitted diseases caused by the herpes simplex virus, manifested as blisters, pain, itching, ulcers and other symptoms of the genital area, the application of antiviral drugs for treatment, such as aciclovir, if there is serious pain The phenomenon, you can also use appropriate pain medication to relieve pain. If you have a high fever, swelling and other discomfort, you should seek immediate medical attention.