Abstract:High innovation supply efficiency is an important core force to drive the high-quality development for enterprises. With the rapid development of China"s market economy, drastic market competition has also diffuse to the internal of research and development group in enterprises. Therefore, how to promote the improvement of team innovation efficiency in the team cooperation-competition games within the R&D team has become an urgent problem for Chinese enterprises. So, based on social network theory, carry out an experimental study with 128 R&D teams of Knowledge-intensive enterprises in China. The results show that :(1) team cooperation-competition games consists two inconsistent dimensions of "competition" and "cooperation" (2) Team cooperation-competition games will proved by the strengthening the team interactive memory system, and team member exchange is an important situational boundary in this mechanism; (3) Based on configuration analysis, this study put forward two innovation efficiency improvement plans of high performance corporate R&D team, "based on digital team interactive memory system" and "based on sustainable collaborative innovation ecology within the team". According to the research conclusions, this study suggests the relevant enterprises should break the limitations of the interests of myopia and team internal friction. Building sustainable innovation supply ecology by improving the digital R&D team interactive memor system.