This paper explores the impact of the three kinds of heterogeneity of the executive team on the enterprise's total factor productivity and the mechanism of the impact of the heterogeneity of the executive team on the enterprise's total factor productivity, with the Shanghai and Shenzhen A-share listed companies in China as the research samples in the period of 2010-2022. The final results of the study found that (1) the heterogeneity of the professional background of the executive team, the heterogeneity of the overseas experience, and the heterogeneity of the financial background of the military contribute to the increase in the total factor productivity of the enterprise. (2) Improving the financial flexibility of the enterprise, improving the quality of the internal control of the enterprise, and improving the research and development and innovation of the enterprise are effective paths for the rise in the level of the enterprise's total factor productivity.