This paper introduces the services provided by Virtual Reference Desk of 23 libraries, including the typical public library, academy library and special library in China.
为了解国内图书馆开展虚拟咨询服务的现状，笔者调查研究了2 3个有代表性的图书馆的虚拟咨询台，包括公共图书馆、高校图书馆和专门图书馆。
Tsinghua University library has been paying more attention on the communication with reader, it has established the virtual reference desk, the reader mail and other virtual communication channels.
清华大学图书馆长期以来在实际工作中重视与读者进行沟通，建立有咨询台平台、读者信箱等多种网络沟通渠道。
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