本文通过分析网络招投标发展现状,提出网络招投标标底泄密问题,引入二级密封价格拍卖理论,分析了二级密封价格拍卖的招投标机制,提出二级密封价格理论可较好地避免网上招投标中的标底窃取问题。 This paper analyzes the status quo of the development of network bidding and bidding, puts forward the problem of bidding and bidding at the bottom of bidding, introduces the second-level seal price auction theory, analyzes the bidding mechanism of the second-level seal price bidding, proposes the second-level seal price theory to avoid online bidding Tender bidding at the end of the problem.