评价米索前列醇用于足月引产对产程的影响。方法：将５０例妊娠满 ３８Ｗ～４２Ｗ孕妇随机分为两组：米索前列醇组和催产素组。每组２５例观察其用药后，米索前列醇组潜伏期时间平均为１９７．４分，活跃期时间平均为１１７．２分，催产素组潜伏期时间平均为４２５．４分，活跃期时间平均为２６７．４４分。结论：米索前列醇用于晚期妊娠引产具有促进产程进展，安全、有效、服药方便等特点。 To assess the effect of misoprostol on labor during term term induction of labor. Methods: Fifty pregnant women of 38W ~ 42W during pregnancy were randomly divided into two groups: misoprostol group and oxytocin group. In each group of 25 patients observed after treatment, misoprostol group, the average incubation period was 197.4 points, the active period was 117.2 points average, the average incubation period for oxytocin was 425.4 points, the average active period was 267.44 points. Conclusion: Misoprostol for late pregnancy induced labor has the characteristics of promoting the progress of labor, being safe, effective and taking medicine conveniently.