objective: to explore the best treatment method after medical abortion is not complete is ethinylestradiol compatibility of medroxyprogesterone clinical application value. Methods: 480 cases of drug stream objects randomly divided into two groups, observation group respectively medicine (group) 240 cases, 240 cases of control group (group) qing. After medicine flows take ethinylestradiol compatibility medroxyprogesterone antibiotics and herba leonuri soft capsule, oxytocin. Control group (240 cases) only take antibiotics and herba leonuri soft capsule, oxytocin. Results: the bleeding and postoperative bleeding time observation group were lower than control group (P < 0.05), medication after menstruation after tide namely again pregnant rate were higher than control group (P < 0.01). Conclusion: after medicine flows take ethinylestradiol compatibility medroxyprogesterone can obviously shorten the bleeding time, less blood loss, promote the menstrual recovery, reduce infection, reduce the incidence of infertility.