The paper firstly points out the necessity of applying bill of quantity, and then analyzes problems occurring in current bill of quantity mode, and mainly discusses how to control engineering project cost by using bill of quantity at different stages, so as to improve project investment benefits.%首先指出工程量清单模式应用的必要性，然后分析了目前我国工程量清单计价模式中所出现的问题，重点讨论了如何在工程项目进行的不同阶段实现利用清单计价模式对工程项目造价进行控制，从而提高项目投资效益。
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