In recent years，researchers are paying much more attention to the impact of emotion on human cognitive process，especially the effects of emotion on the decision-making process．The study aims to sort out the relevant theories of emotion and decision-making，then，based on psychological cognition and Top Management Team ( TMT) theories，build a research model to discover the influence mechanism of emotion regulation on TMT decision-making process．The quasi-experiment method was employed to simulate the reality and test the research model．This article provides referential research ideas and experimental methods for future studies．