摘要
With the development of network economy, e-commerce platform has increasingly become a worldwide trading places of various kinds of products and services. Therefore some scholars consider, intermediaries, under the rapid development of information technology, will gradually withdrew from the historical stage. This article carried on the thorough analysis for the reasons of the existence of electronic intermediaries, and discusses the new development space and prospect of new middlemen, from the perspective of information asymmetry of the network environment.