Vaginal swelling and pain is considered to be related to trauma, may also be the emergence of vulvovaginitis, vaginitis and other diseases, need to treat the symptoms. 1. trauma, vaginal distension may be sexually traumatized, may also be related to external impact, generally this situation can be appropriate local cold compresses, but also under the guidance of the doctor to use antibiotics, painkillers and other medication, such as metronidazole, ibuprofen and so on. 2. Vulvovaginitis, if vulvovaginitis has occurred, you can use medication under the guidance of a doctor, such as potassium permanganate, erythromycin ointment and so on. 3. Vaginitis, if there is vaginitis caused by vaginal pain, you can use metronidazole, tinidazole, ornidazole, clotrimazole and other drugs under the guidance of the doctor, to avoid aggravation of the inflammation. Usually need to observe the vaginal opening, if there are obvious abnormalities, need to actively seek medical attention.