Abstract:Under the background of "mixed reform", it is an urgent question to answer the influence mechanism of the psychological and cognitive behaviors of the integrating multiple entities top management team(TMT) on the performance of strategic decision-making performance. Based on 301 valid questionnaire sample data of mixed technology enterprise top management team, this paper analyzes the influence mechanism of TMT transactive memory system on strategic decision performance, and tests the mediating and moderating role of team process and team reflexive in the above relationship.The results show that TMT transactive memory system has a significant positive impact on team process and decision performance.Team process plays a part of mediating role between transactive memory system and decision performance.The higher degree of team reflexivity, the stronger indirect effect of TMT transactive memory system of mixed technology enterprises on strategic decision performance through team process.