我国东西部经济发展差距问题，已成为人们关注的热点问题。在体制转轨中东西制度演变的差异现象，是理解这个问题的一个视角。本文以此为切入点，着重分析东西部的“制度势差”及其对经济发展差距的影响，提出对策建议。一、东西部的“制度势差”我国经济体制从计划经济体制向 The issue of the economic development gap between the eastern and western regions in China has become a hot issue that people are concerned about. The phenomenon of the difference in the evolution of the system of things in the course of institutional transition is a perspective for understanding this issue. This article takes this as an entry point, focusing on analyzing the “institutional potential difference” in the eastern and western regions and its impact on the economic development gap, and puts forward countermeasures and suggestions. First, the eastern and western “system potential difference” China’s economic system from the planned economy to the system