Prevent strategy of complications by applying vena cava filter        ZHANG Fu-xian, LUO Xiao-yun, ZHANG Huan.  Department of Vascular Surgery, Beijing Shijitan Hospital，Beijin 100038,  Chnia.
Corresponding author ：ZHANG Fu-xian, E-mail： fuxian@263.net
Abstract    Deep venous thrombosis (DVT) is more and frequent disease in clinical practice and have a high morbidity rate. Pulmonary embolism (PE) is a associated serious complication after DVT. For the sake of the prevention PE after DVT , Vena Cava Filter(VCF) had be extensive applied in clinical practice. But along with the increment of the VCF application in quantity, some homologous complications appears continuously。Master vena cava filter application, consummate technical, standardize and elaborate management are the best way to avoid complications .