招投标制度是建立竞争性缔约关系的重要方式。实践中由于操作性规范的缺失,监管主体的多元化与不明确,管理相对人在与市场规则的博弈中相互串通、欺上瞒下的行为屡见不鲜,成为侵蚀公共利益滋生腐败的毒瘤。建立事前预防为主,事后查处为辅的监管机制,树立法治权威、增强措施的执行力和有效性迫在眉睫。 The bidding system is an important way to establish a competitive contractual relationship. In practice, due to the lack of operational norms, the diversification and uncertainty of regulatory bodies, the management of relatives in collusion with the rules of the market rules, the common occurrence of bullying, the erosion of public interests, corruption has become a malignant tumor. It is imperative to establish a regulatory mechanism that focuses on prevention in advance and ex post investigation and supplementation, sets the authority of law and order, and strengthens the execution and effectiveness of measures.