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.