Abstract: ［Abstract］ 〖HTSS〗〓Deep vein thrombosis(DVT) is one of the most sever complication of traumatic fractures. DVT is a complex pathophysiological process, which is closely related with physical and chemical stimulations, signal translation, reaction of the neural center and signal download and the response of the blood system. Based the long term clinical observation and primary study, our team found that the regulating and controlling center of DVT is the neural center.