工程投资亦称工程造价，是指某一项工程建设花费的全部费用。它的大小取决于工程项目的设计阶段和施工阶段的工作质量。根据有关资料分析，影响项目投资最大的阶段是设计阶段，其次为施工阶段。因此，项目投资控制应贯穿于项目建设的全过程，抓住这两个阶段的关键，才能变被动 Project investment, also known as project cost, refers to the total cost of a project construction. Its size depends on the quality of the work performed during the design and construction stages of the project. According to the relevant data analysis, the stage that affects the biggest investment of the project is the design stage, followed by the construction stage. Therefore, the project investment control should be run through the entire process of project construction, to seize the key to these two stages in order to become passive