Objective To describe the incidence of pain in women with cesarean scar pregnancy (CSP) after uterine artery embolization (UAE) and to explore the influencing factors. Methods Pain intensity of 120 CSP women was assessed at immediately after and 6, 12 and 24 h after UAE using the Numerical Rating Scale. And the related factors were also collected including pain sensitivity measured preoperatively, demographic data, anxiety and depression, etc.． Results Nearly sixty percent (58.33%) of the women had moderate to severe pain. Mental state，pain sensitivity， education level and operation duration were related factors of moderate to severe pain after UAE (P<0.05，P＜0.01). Conclusion The prevalence of pain was high in CSP women after UAE. Preoperative mental state assessment and pressure pain threshold test can predict postoperative pain intensity, thus to achieve better pain management and control.