目的:探索彩色多普勒超声诊断下肢静脉血栓形成的临床应用价值。方法:选择50例临床诊断为下肢静脉血栓形成的患者,应用彩色多普勒超声对其双下肢静脉进行检测。结果:彩色多普勒超声检测结果与临床诊断相符,符合率为100%。结论:彩色多普勒超声诊断下肢静脉血栓准确性高,且具有安全、无创及可多次重复检查等优点,并对于确定治疗方案和预后具有重要的临床意义。 Objective: To explore the clinical value of color Doppler ultrasonography in diagnosis of venous thrombosis of the lower extremities. Methods: Fifty patients with clinically diagnosed venous thrombosis of the lower extremity were selected and their venous blood samples were examined by color Doppler sonography. Results: The results of color Doppler ultrasound were consistent with clinical diagnosis, with a coincidence rate of 100%. Conclusion: The diagnostic accuracy of color Doppler ultrasonography for lower extremity venous thrombosis is safe, noninvasive and repeatable. It is of great clinical significance for the determination of treatment and prognosis.