This could be sucked and pumped to push blood from the proximal part of the damaged artery above the injured area to the distance one. Method: Retrograded and comparative review patients who suffered from extremity trauma with vascular injuries into two groups, one with temporary shunt and other without shunt before repairing injuries. Result: From June 2005 to September 2009 there are 39 cases of extremity trauma with complete vascular injury, which has been operated by the same surgeons using temporary arterial internal shunt.