The woman in the birth before the general need to shave the vulva pubic hair, is conducive to the cleanliness of the vulva, reduce the local bacterial infection, and women in labor, sometimes need to perform lateral perineal incision to help delivery, and shave the pubic hair can also reduce the surgical stitching, resulting in local incision infection. When women are pregnant, due to the increase in hormone levels, rich and comprehensive nutrition and relaxation, the growth of pubic hair is generally thicker, so the metabolism is also more vigorous, more likely to breed bacteria. If there are local boils and canker sores or folliculitis, the decrease in resistance after delivery will lead to aggravation of the local lesions, which is not conducive to the recovery of the woman’s body.