中文摘要：

存量发行在境外成熟资本市场是IPO发行中常见的发行方式，而我国资本市场目前还未引进。本文介绍了存量发行的概念和分类，并统计了1980．2008年间全球各主要资本市场IPO发行中存量发行的情况。作者对存量发行方式的动机、积极效应和消极效应进行了分析，对我国资本市场在IPO中引入存量发行方式提供了参考。

英文摘要：

Abstract Secondary Offering is the common method in IPO in mature capital markets, but it still has not been introduced to China. We introduced the concept and classification of secondary offerings, and we surveyed the statistics of secondary offerings in IPO of world＇s major capital markets tiuring 1980-2008. We analyzed the motivations, positive effects and negative effects of secondary offerings, and provide a reference for introducing secondary offering in IPO to Chinese capital market.