Vulvar pain during pregnancy may be caused by vaginal inflammation or varicose veins of the vulva. 1. Vaginitis stimulation: vaginal inflammation and infection during pregnancy will increase vaginal secretion phenomenon, in the inflammatory secretion stimulation leads to redness, swelling, vague pain or itching and other discomfort at the vulva. You can go to the hospital in time for routine tests of leukorrhea to diagnose the specific causative organisms and then treat them, such as using drugs such as diazoxide suppositories and mycotoxin vaginal suppositories. 2. Vulvar varicose veins: After pregnancy, as the fetus gradually develops and grows, the enlarged uterus presses on the inferior vena cava, which makes the inferior vena cava reflux bad, thus causing vulvar varicose veins, which causes vague pain and swelling and other discomforts at the vulva. It is important to avoid prolonged standing and sitting, and localized hot compresses and elevation of the lower limbs can reduce the circulation of the lower limbs and relieve the symptoms of vulvar pain. In addition, the specific use of the above drugs need to be under the guidance of a doctor. Patients who have been vaginal pain during pregnancy are advised to consult a doctor in time to clarify the specific cause of their condition and give targeted treatment.