Abstract: The electronic information industry has developed very rapidly and become a pillar industry of national economy.This paper explores the influencing mechanism of innovation performance of electronic information enterprises in China. Based on the SCP Paradigm, this paper builds CDM model including of spillover effect and takes some listed companies in China's electronic information enterprises as the research object, collects relevant data from 2013 to 2015 to explores innovation input’s, innovation output’s, environmental policy’s and intra-industry effect’s influence on electronic information enterprises innovation performance.On the basis of the empirical analysis results, this paper puts forward the pertinent suggestions to enhance the innovation performance of China's electronic information enterprises.