目的研究前置胎盘患者剖宫产术中出现大出血行宫腔纱条填塞止血的效果。方法选择近5年我院前置胎盘行剖宫产术且术中大出血患者,分析术中出血原因,宫腔纱条填塞指征、方法,术后恢复情况。结果止血效果好,全部保留子宫,术后无感染、晚期产后出血发生。结论前置胎盘剖宫产术中出现子宫出血可用宫腔纱条填塞止血。 Objective To study the effect of hemostasis caused by massive haemorrhage in cesarean section in patients with placenta previa. Methods In the past five years, our hospital placenta previa cesarean section and intraoperative bleeding in patients with bleeding causes, intrauterine gauze packing indications, methods, postoperative recovery. The results of hemostatic effect, all retained the uterus, postoperative infection, postpartum hemorrhage occurred. Conclusion Uterine bleeding in the placenta previa can be filled with uterine gauze to stop the bleeding.