Compared with the big enterprise and the mature enterprise,the high technology-based firm (HTBF) lacks the innovation capabilities and restricts the fast and sustainable growth. Lacking the support of exterior financial capital is an important reason. Under the mature market conditions,HTBF depends upon the good operation of venture capital(VC) and the support of capital market for obtaining the power of innovation,but at present this is only an ideal plan in China,where lacks the effective system security and market environment. Therefore,the paper mainly analyzes the growth characteristics o...