探讨四肢骨关节骨折的ＣＴ检查方法和临床价值，材料和方法：对７８例四肢骨关节骨折的病例做了ＣＴ扫描，部分病例还作冠状位、矢状位重建图像观察，分析ＣＴ表现，并与Ｘ线平片对照。结果：ＣＴ检查能准确显示骨折的部位、类型、严重程度及移位情况，明显优于Ｘ线平片检查，同时还可以显示软组织损伤情况。结论：四肢骨关节骨折的ＣＴ检查有很大的临床价值，能够对治疗方案的选择及患者预后的估计提供帮助。 To explore the CT examination methods and clinical value, materials and methods of bone and joint fractures of the extremities: CT scan was performed in 78 cases of fractures of the extremities and limbs, some cases also coronal and sagittal reconstruction images were observed, CT findings were analyzed, and And X-ray film control. Results: CT examination can accurately show the location of the fracture, type, severity and displacement, significantly better than X-ray examination, but also can show the soft tissue damage. Conclusion: The CT examination of fractures of limbs and joints has great clinical value, which can help to select the treatment plan and estimate the prognosis of patients.