随机抽取１１０例中期妊娠的患者采用米非司酮配伍米索前列醇片（以下简称双米）及利凡诺尔两种方法终止妊娠，作临床比较，结果表明：双米组引产时间及产程明显短于利凡诺尔（Ｐ＜００５），双米组引产成功率明显高于利凡诺尔组（Ｐ＜００１），产后胎盘胎膜残留需清宫者，双米组明显少于利凡诺尔组（Ｐ＜００１），虽然双米组胃肠刺激较利凡诺尔严重（Ｐ＜００１），但二者相比较，双米作为一种终止中期妊娠的方法，可以安全、方便、简捷、省时，广泛地应用于临床。 A total of 110 cases of midterm pregnancy were randomly divided into two groups: mifepristone and misoprostol tablets (hereinafter referred to as two meters), and Rivanol two methods to terminate pregnancy. The clinical results showed that the time and labor duration Shorter than Rivanol (P <005), the success rate of induction of labor in Shuangmi group was significantly higher than that of Rivanol group (P <001) The Fanor group (P <001), although the two-meter group gastrointestinal irritation more serious than rivanol (P <0  01), but the two compared to two meters as a method of termination of mid-term pregnancy, safe , Convenient, simple, time-saving, widely used in clinical.