政府采购把市场竞争同财政支出管理有机地结合 ,目的就是通过公平竞争 ,提高采购活动的透明度和公共支出的效率 ,最终将采购合同授予综合指标最优的供应商。要实现政府采购这一目标 ,在采购程序上就必须规范化。然而在实际运作中 ,常常会出现用户指定品牌 ,对政府采购的规范运 The purpose of government procurement is to organically combine market competition with fiscal expenditure management. The objective is to improve the transparency of procurement activities and the efficiency of public expenditure through fair competition, and finally award the procurement contract to the supplier with the best comprehensive index. To achieve the goal of government procurement, procurement procedures must be standardized. However, in actual operation, users often appear designated brand, the normative government procurement