In item A, the perineal incision is usually removed 3 ~ 5 days after delivery. Item B, the order of perineal scrubbing is: the first time, from top to bottom, from outside to inside, the secretion and blood of perineum are initially removed. The order of the second time is wound-centered, from inside to outside, from top to bottom. Finally, scrub the anus and around it. In item C, if the vulva wound is swollen and painful, 95% ethanol gauze or 50% magnesium sulfate can be used to wet and heat the vulva. Item d, infrared radiation can be performed after 24 hours after delivery. In item E, the parturient should keep lying or sitting on the opposite side of perineal wound after delivery.