微博在全球迅速崛起并发展迅猛,我国公共图书馆积极引进和利用微博开展服务。文章从轰动社会的“杭州图书馆微博事件”谈起,说明微博力量的强大,并分析了微博在公共图书馆中的社会效用,主要表现在:公共图书馆借力微博扩大社会影响;改善社会服务内容与方式;实现社会公众舆情监测以及打造新型参考咨询服务模式等。 The rapid rise and rapid development of microblogging in the world, our public libraries to actively introduce and make use of microblogging services. The article starts with the sensational “Hangzhou Library Weibo Event”, explains the strength of Weibo and analyzes the social effect of Weibo in the public library, mainly in the following aspects: The public library leverages Weibo Expand social impact; improve the content and methods of social services; public opinion monitoring to achieve social and create a new reference service model.