Objective To explore comparison between methotrexate and uterine arterial embolization in β-HCG, bleeding volume and success rate of women with cesarean scar pregnancy after cesarean section.Methods 42 patients who were diagnosed with cesarean scar pregnancy after cesarean section were collected.All patients were randomly divided into uterine arterial embolization group and methotrexate group,21 cases in each group corresponding treatment were given respectively, after the treatment, the serum levels of β-HCG, bleeding volume and success rate were detected in all patients.Results After treatment, compared with methotrexate group, the serum level ofβ-HCG was lower in the uterine arterial embolization group,and the difference was statistically significant(P<0.05); the bleeding volume was lower in the uterine arterial embolization group(P<0.05); the success rate was higher in the uterine arterial embolization group(P <0.05).Conclusion Compared with methotrexate,the uterine arterial embolization can significantly reduce the serum level ofβ-HCG in patients with cesarean scar pregnancy after cesarean section,reduce the amount of bleeding, improve the success rate of treatment.