目的：寻找提高病人生存质量有效的骨转移癌止痛方法。方法：应用放射治疗方法治疗骨转移癌病人５０例，均属中、重度疼痛。结果：放射治疗总有效率为９０％，其中常规放疗组有效率为９０．９％，低分割放疗组有效率为８９．３％，两组相比无统计学意义。结论：放射治疗对骨转移癌病人止痛效果较好，除用药物止痛外，放疗仍为首选 Objective: To find effective methods to improve the quality of life of patients with metastatic bone cancer pain. Methods: Radiotherapy treatment of 50 cases of patients with metastatic bone cancer, are moderate to severe pain. Results: The total effective rate of radiotherapy was 90%. The effective rate was 90.9% in conventional radiotherapy group and 89.3% in low-radiotherapy group. There was no significant difference between the two groups. Conclusion: Radiotherapy has a good analgesic effect on patients with metastatic bone cancer. Radiotherapy remains the first choice except pain relief