结构不合理、重复建设多、经济效益低，是我国经济发展中多年积累下来的突出问题。这里，就重复建设多的主要表现、形成原因、后果及国家已经或准备采取的一些主要政策措施向同学们做些介绍。重复建设多是指投资主体对未来市场供求行情未作周密细致调查论证，或出于自身眼前利 The irrational structure, repeated construction, and low economic efficiency are outstanding issues that have accumulated over many years in China’s economic development. Here, we will introduce some of the major performances, causes of formation, consequences, and some of the major policy measures that the country has or intends to adopt. Duplicate construction mostly means that the investment entity has not conducted thorough and detailed investigation and verification of the market supply and demand in the future, or made it out of sight.