Abstract: Objective: To investigate the termination way of pregnancy again in patients with scar uterine.Methods: The data of 98 pregnancy women with scar uterine were retrospectively analyzed,all cases were randomly divided into the control group(49 cases) and observation group(49 cases).The observation group and control group were treated with mifepristone combined with injecting rivanol into amniotic cavity and only injecting rivanol into amniotic cavity for odinopoeia,respectively.The clinical effects of terminating pregnancy in pregnancy women with scar uterine in two groups were observed.Results: The odinopoeia time,soft birth canal injury and placental membrane residues in observation group were less than those in control group(P< 0.05 to P< 0.01).Conclusions: The effects of the mifepristone combined with injecting rivanol into amniotic cavity in the termination of pregnancy are good,the operation method is simple,and its injury is little.