Research on virtual enterprise has been a hot and difficult field since "virtual enterprise" was firstly proposed by Kenneth Preiss, etc in the late 20(th) century. Looked back relevant literatures, it can be found that the evaluation measure of VEP (Virtual Enterprise Performance) is very important about the virtual enterprise decision-making, but so far theoretical circles have not solved the problem yet. In the article some relevant literatures are firstly reviewed and then the evaluation measure mechanism of VEP is analyzed, finally an evaluation measu...