工程项目档案是指在整个项目建设活动中形成的有保存价值的全部工程建设项目材料(包括对建设工程具有凭证和依据作用的各种文字材料、图纸图表和声像材料等)。它直接产生于工程建设的实践,是工程项目建设历史的真实记录,反之它又服务于工程建设项目的实践,为更高标准的工程建设提供依据。工程项目档案包含多重价值作用:首先是它的凭证作用,工程 Project file refers to the entire project construction activities formed in the preservation of all the value of the project construction materials (including construction projects with credentials and evidence of a variety of text materials, drawings and charts and audio-visual materials, etc.). It is directly generated from the practice of engineering construction and is a true record of the construction history of construction projects. On the contrary, it serves the practice of engineering construction projects and provides the basis for a higher standard of construction. Project file contains multiple value effect: The first is its role of voucher, project