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目的:比较B-Lynch缝合术联合缩宫素宫体注射或母臀肌注射治疗前置胎盘剖宫产术中出血的效果。方法:抽取2019年5月至2020年5月大同市第一人民医院收治的前置胎盘剖宫产术中出血产妇100例，按照入院先后顺序将其分为两组，每组50例。对照组采用B-Lynch缝合术联合缩宫素母臀肌注射治疗，观察组采用B-Lynch缝合术联合缩宫素宫体注射治疗。回顾性比较两组并发症发生率及围术期指标。结果:观察组并发症发生率为4.00%(2/50)，低于对照组的16.00%(8/50)，χn 2＝4.000，n P＝0.046。观察组产妇手术时间、术中出血量、术中输血量、术后出血量、恶露持续时间、第一次月经恢复时间少于对照组(n t＝10.260、3.309、10.213、49.026、7.172、33.534，n P<0.05)。n 结论:与B-Lynch缝合术联合缩宫素母臀肌注射比较，B-Lynch缝合术联合缩宫素宫体注射能够缩短前置胎盘剖宫产术中出血患者的手术时间、恶露持续时间、第一次月经恢复时间，能减少患者术中术后出血量、术中输血量，降低并发症发生率。“,”Objective:To compare the effects of B-Lynch suture combined with oxytocin injected by uterus and maternal gluteal in the treatment of hemorrhage during cesarean section for placental previa.Methods:A total of 100 women with hemorrhage during cesarean section for placenta previa admitted to Datong First People’s Hospita from May 2019 to May 2020 were selected, and they were divided into two groups according to the order of admission, with 50 cases in each group. The control group was treated with B-Lynch suture combined with maternal gluteal intramuscular injection of oxytocin, and the observation group was treated with B-Lynch suture combined with uterine injection of oxytocin. The complication rate and perioperative indicators of the two groups were retrospectively compared.Results:The complication rate in the observation group was 4.00% (2/50), which was lower than 16.00% (8/50) in the control group, χ n 2=4.000, n P=0.046. The operation time, intraoperative blood loss, intraoperative blood transfusion, postoperative blood loss, lochia duration, and first menstrual recovery time in the observation group were less than those in the control group (n t=10.260, 3.309, 10.213, 49.026, 7.172, 33.534; n P<0.05).n Conclusions:Compared with B-Lynch suture combined with maternal gluteal intramuscular injection of oxytocin, B-Lynch suture combined with uterine injection of oxytocin can shorten the operative time, the duration of lochia, and the recovery time of the first menstruation in patients with hemorrhage during cesarean section for placenta previa, and can reduce the amount of intraoperative and postoperative blood loss, intraoperative blood transfusion, and incidence of complications.