目的　探讨介入性治疗及联合放疗的价值。方法　总结本院 2 0例介入及放射治疗的病例 ,经介入用 EP方案从肠系膜动脉或髂内动脉灌注化疗 ,并联合放疗。结果　疼痛缓解达 10 0 % ,便血减少达 80 % ,大便次数减少 6 6 % ;两次介入治疗后肿块缩小占 75 % ,其中部分缓解达 5 5 %。结论　介入治疗对大肠癌可提高切除率 ,减少复发或转移 ,有效地提高区域灌注化疗药物的浓度 ,延长患者的生存率 Objective To explore the value of interventional therapy and radiotherapy. Methods Twenty cases of interventional and radiotherapy in our hospital were summarized. Chemotherapy was given via mesenteric artery or internal iliac artery after intervention with EP regimen and combined with radiotherapy. Results Pain relief was 100%, blood stool was reduced by 80% and stool frequency was decreased by 66%. Tumor shrinkage was 75% after two interventional treatments, and some relief was 55%. Conclusion Interventional treatment of colorectal cancer can improve the resection rate, reduce the recurrence or metastasis, effectively improve the regional perfusion chemotherapy drug concentration, prolong the survival rate of patients