Abstract: As the technology development is becoming complicated increasingly , an individual company can’t as2 sume the whole mission of the technology innovating process only when associating with all kinds of sources to carry out the single superiority integrated , and then the whole function of the integrated innovational system can have the radical change1 Network has the era character of the cluster innovation1Based on the sociology view ,this paper analyzes the net2 work characters of the cluster innovation , and then expatiates and explains how the cluster innovation network affects the process of the cluster innovation to get the unique innovational competence and competitive advantage1 It has crucial ref2 erence value to improve development of regional economy