Objective To summarize the research about the stability of deep venous thrombosis (DVT) of the lower extremity in recent years. Methods The literatures about the stability of DVT of lower limbs at home and abroad in recent years were reviewed. Results There are few studies on the stability of DVT at home and abroad, which limited on the floating thrombus. Conclusion The stability of DVT can be effectively evaluated by SOMATOM Force CT (The third generation dual source CT).