Abstract Objective:To discuss the healing effect to the cut of perineum that is applied with gauze soaked with 75 percent purity alcohol after the perineum is lateral incised and sutured.

• 会阴侧剪术是在分娩第二产程中为避免会阴及盆底严重裂伤，减轻盆底组织对胎头的压迫，缩短第二产程，加速分娩常用的手术。