Abstract: Abstract:Objective:To explore the optimal time and effective method of early termination of scar uterus.Methods :160 cases of pregnant women who were treated in our hospital from September 2014 to June 2013 were treated with the voluntary request to terminate the pregnancy,were divided into observation group and control group.Among them, 80 cases were observed in the observation group,the termination of pregnancy with medical abortion curettage,the application of mifepristone combined with misoprostol before the curettage.A total of 80 cases in the control group,termination of pregnancy by B ultrasound guided vacuum aspiration.Two groups of women's vaginal bleeding time, bleeding rate, the rate of abnormal bleeding, the incidence of complications and the rate of abortion were analyzed and compared.Result :The incidence of postoperative complications in the observation group was significantly less than that of the control group (P<0.05);There was no significant difference in the rate of vaginal bleeding time, bleeding volume and abortion rate in the observation group (P>0.05).Conclusion:The best time and way to choose the termination of pregnancy should be based on the specific conditions of the pregnant women and the time and the second pregnancy.The medical abortion with uterine curettage of uterine scar pregnancy termination of pregnancy has higher security, and can effectively reduce the incidence of complications, worthy of clinical application and promotion.