Women’s uncomfortable lower vaginal swelling may be caused by pelvic congestion or varicose veins, or it may be caused by gynecological diseases, acute injuries and so on. 1. Pelvic congestion. Women’s lower vaginal distension may be due to the menstrual period of prostaglandin increase and pelvic congestion and compression caused by the general physiological phenomenon, after the menstrual period of lower vaginal distension symptoms will disappear on their own. 2. Varicose veins. During pregnancy, the symptoms of vulvar distension are mostly due to the increasing uterus pressing on the pelvis, resulting in poor local blood circulation and varicose veins in the perineum area, avoid standing for a long time or sitting for a long time, and apply hot compresses locally to relieve the symptoms, and they will disappear after giving birth. 3. Gynecological diseases. Vulvar swelling may also be associated with vaginitis or vulvitis stimulation, or large uterine fibroids, ovarian cysts, the increased swelling and compression will also cause vulvar swelling. Generally there will be increased discharge, odor or abdominal pain and other discomforts, can improve the gynecological examination for the cause of treatment. 4. Acute injury. Such as trauma impact or sex roughness caused by acute injury to the vulva will also appear vulvar swelling symptoms, often accompanied by redness, swelling and pain and discomfort, can be locally washed with potassium permanganate, hot compresses to relieve, with the use of metronidazole, levofloxacin and other drugs anti-inflammatory treatment. All of the above treatments should be carried out under the guidance of professional physicians.