本文通过对新制度经济学发展的简单回顾出发,梳理国内外相关文献,研究制度的功能与作用,认为制度的功能是减少交易费用、降低不确定性、降低信息的不对称性、增加经济活动的稳定性和安全性等,而制度的作用是发挥这些功能的具体形式。对这两者加以辨析有助于我们准确理解制度对经济有效、平稳运行的重要性。 Based on a brief review of the development of new institutional economics, this paper combs the relevant literature both at home and abroad to study the function and function of the system. It considers that the function of the system is to reduce transaction costs, reduce uncertainty, reduce information asymmetry and increase economic activity The stability and security of the system, and the role of the system is to play a specific form of these functions. To distinguish between the two will help us to understand accurately the importance of the system to the economy in an effective and stable manner.