我们在确定重大项目的建设之前,对项目建议书、可行性研究报告的市场需求、技术水平、经济效益等方面要进行评估分析,即进行项目的前评价。这是避免和减少决策失误,保证发挥投资效益的重要工作。在项目建成后再组织进行项目后评价,则是总结项目建设管理经验,提高投资效益,指导科学决策的必要工作和手段。由于我国的后评价工作起步较晚,尽管近年来在实践中积累了一定的经验,对后评价的理论和方法也进行了探索和研究,并取得了一定的进展,但为适应项目后评价工作的需要,特别是为适合我国国情,促进社会主义市场经济发展,突 Before we determine the construction of major projects, we shall evaluate and analyze the market demand, technical level, and economic benefits of the project proposal and feasibility study report, that is, conduct the pre-project evaluation. This is an important work to avoid and reduce mistakes in decision-making and ensure that investment returns are realized. After the completion of the project, organizing the post-project evaluation is the necessary work and means for summarizing the experience of project construction management, improving investment returns, and guiding scientific decisions. Due to the late start of post-evaluation work in our country, although some experience has been accumulated in practice in recent years, the theory and method of post-evaluation have also been explored and studied, and some progress has been made, but to adapt to post-evaluation work Needs, especially to suit the national conditions of our country and promote the development of the socialist market economy,