：虚拟现实（Virtual Reality，VR）的飞速发展给图书馆带来了机遇和挑战，国内外图书馆的积极实践也为虚拟现实技术的图书馆应用提供了成功的借鉴案例。文章在概述国内外图书馆界的虚拟现实实践应用基础上，重点分析了虚拟现实应用下在图书馆的角色定位和创新服务。认为图书馆在VR应用中分别承担着体验设施的提供与运营、基础服务的改造与升级、创新思维的培养与孵化三个角色，同时认为VR技术还驱动着图书馆的资源管理与检索、空间导航与漫游、VR阅读与导读、虚拟咨询与个性化等服务创新发展。

The development of virtual reality brings about opportunities and challenges for the library. The actively practices of libraries domestic and overseas provide successful use for reference for the application of virtual reality. The article summarizes the applications of virtual reality in the library, and then selective analyzes the role definition and innovative service of library base on virtual reality. Finally, it considers the roles of library in the virtual reality includes: offer and operator of experience facility; transformer of basic services; cultivator of innovative thinking. Meanwhile, it also considers VR technology driving the innovative services of the library, such as resource management and retrieve, space navigation and wandering, VR reading, virtual consultation and other individuation services.