政府采购是指各级政府为了开展日常政务活动或为公众提供服务 ,在财政的监督下 ,以法定的方式、方法和程序 ,通过公开招标、公平竞争 ,由财政部门以直接向供货商付款的方式 ,从国内外市场上为政府部门或所属团体购买商品和劳务的行为 ,其实质是市场竞争机制与财政支出管理的有 Government procurement refers to governments at all levels to conduct routine administrative activities or provide services to the public. Under the supervision of finance, statutory methods, methods, and procedures are adopted. Through public bidding and fair competition, the finance department pays the suppliers directly. The way in which domestic and foreign markets purchase goods and services for government departments or their subordinate groups is essentially the mechanism of market competition and financial expenditure management.