随着经济的高速发展,国家越来越重视人们的生活质量水平,国家不断地加大对公共基础设施的建设。本文主要研究国家在公共基础设施项目的投资对经济拉动的影响,通过对公共基础设施的分类、对人们生活带来的影响以及公共基础设施如何对经济产生作用进行研究,从而得出国家在公共基础设施的建设对人们生活水平和经济有着强大的推动作用。 With the rapid economic development, the state attaches more and more importance to the quality of life of people and the state continuously increases the construction of public infrastructure. This paper mainly studies the impact of state investment in public infrastructure projects on the economy. Through the classification of public infrastructure, the impact on people’s life and how the public infrastructure has an impact on the economy, The construction of infrastructure has a powerful impetus to people’s living standard and economy.