抓住国家实施西部大开发历史机遇 ,西部高原山区高速公路建设迅猛发展 ,同时投资超概的问题在这系统工程管理中时有发生 ,公路造价管理工作的力度与深度对于控制项目投资尤为重要。本文着重分析影响投资控制的因素及如何做好高原山区高速公路工程建设项目投资控制与造价管理 ,提出建议 Seize the country’s historic opportunity for the implementation of the western development, the rapid development of expressway construction in the western plateau and mountainous area, while the problem of over-general investment in this systematic project management from time to time, the intensity and depth of highway cost management is particularly important for controlling project investment. This article focuses on the analysis of the factors that affect investment control and how to do the investment control and cost management of highway construction project in mountain plateau