目的 观察下肢深静脉阻塞显像的影像表现，分析其影像特征。方法 利用ＳＰＥＣＴ进行下肢深静脉核素显像（ＲＮＶ）。结果 髂总静脉和髂外静脉是血栓形成常见部位，ＲＮＶ不仅能直观的对下肢深静脉阻塞作出定位诊断，而且能清晰显示侧支血管部位、行径及与阻塞部位的关系。结论ＲＮＶ简便易行，安全无创，短期内能重复检查，应列为深静脉阻塞的常规检查方法之一，可广泛用于临床。 Objective To observe the imaging manifestations of deep vein occlusion imaging of lower extremities and analyze its imaging features. Methods SPECT was used to perform deep venous radionuclide imaging (RNV). Results The common iliac vein and the external iliac vein were common sites of thrombosis. RNV not only could directly locate the deep venous obstruction of lower extremity, but also clearly show the location of lateral collateral vessels and their relationship with occlusion sites. Conclusions RNV is simple, safe and noninvasive and can be repeated in the short term. It should be listed as one of the routine examination methods for deep vein occlusion and can be widely used in clinic.