紧急子宫颈环扎术是治疗妊娠中期无痛性子宫颈扩张和（或）胎膜膨出的一种产科常用紧急干预措施，目前在国内外均已开展。该手术存在一定技术难度，且可能合并胎膜早破、绒毛膜羊膜炎、子宫颈撕裂等并发症。因此，临床医生对如何简便、有效地回纳膨出的胎膜常存在困惑，在评估手术获益和风险时亦面临困难，难以准确预测妊娠结局。文章通过梳理紧急子宫颈环扎术的临床证据和手术实施要点，以期为临床医生实施紧急子宫颈环扎术提供参考。

Emergency cervical cerclage is an emergent surgery for the treatment of asymptomatic cervical dilation and/or amniotic protrusion in the second trimester and is widely carried out domestically and /or abroad. However，this surgery has certain technical difficulties and may be accompanied by complications such as premature rupture of membranes，chorioamnionitis，and cervical laceration. Obstetricians may have confusion about how to easily and effectively retract the protruded fetal membranes. They often face difficulties with evaluating the benefits and risks of the surgery and with accurately predicting the pregnancy outcomes. This article reviews the clinical evidence and key surgical points of emergency cervical cerclage，in order to provide reference for obstetricians to perform the surgery.