The local pain in the vulva after pregnancy may be clinically caused by the following reasons: first, inflammation of the vulva or inflammation of the vagina can lead to local redness, swelling, heat and pain, it is recommended to go to the hospital for examination in a timely manner, routine laboratory tests of the white belt can be done, and gynecological examination to understand whether there is inflammatory manifestations in the vulva, according to the results of the laboratory tests of the white belt to give active treatment and therapy. It is also recommended that women during pregnancy because of more secretions, must be diligent in changing underwear, and wash the vulva with warm water 1-2 times a day to avoid the chance of pathogenic infection. Secondly, after pregnancy, the uterus increases and presses on the lower limbs, so that the circulation of the lower limbs is not good, which will cause vulvar varicose veins and local swelling and pain in the vulva.