本文通过６７例剖宫产孕妇术后Ｂ超检查，发现术后子宫复旧不良、子宫切口愈合欠佳、官腔积血和宫旁血肿发生率分别为２２．４％、７．５％、３２．８％和７．５％。Ｂ超所见宫腔积血、宫旁血肿及子宫切口愈合欠佳均不能从术后体温反映且多无明显临床征象。认为剖宫产术后实际存在的并发症较临床诊断者高。剖宫产术后Ｂ超检查能起早期诊断和监护作用，可及时为临床提供客观依据。 In this paper, 67 cases of cesarean section postoperative pregnant women by B-ultrasound and found that postoperative uterine involution poor, poor healing of uterine incision, uterine cavity hematoma and uterine bleeding were 22.4%, 7.5%, 32. 8% and 7.5%. B seen by uterine hemorrhage, uterine hematoma and uterine incision poor healing can not be reflected from postoperative body temperature and more no obvious clinical signs. The actual complication after cesarean section is considered to be higher than that of clinical diagnosis. B-ultrasound after cesarean section can play an early role in diagnosis and monitoring, can provide an objective basis for clinical.