政府采购制度是市场经济条件下，降低采购成本，提高采购质量，优化财政资金使用效率，从源头上防范和治理腐败的重要举措。政府采购制度最大的特点就是通过集中公开采购，让众多的供应商或承包商进行竞争，以最低的价格获得最优的货物或劳务服务，遵循公开、公平和公正的原则 The government procurement system is an important measure to prevent and control corruption from the source under the condition of market economy, reduce procurement costs, improve procurement quality, optimize the utilization efficiency of fiscal funds. The most prominent feature of the government procurement system is that through centralized public procurement, numerous suppliers or contractors compete to obtain the best goods or labor services at the lowest prices and follow the principle of openness, fairness and impartiality