元宇宙概念一经提出就引起了各方热议，图书馆是否应该参与元宇宙建设，能够发挥哪些功用，便成了亟需探讨的问题。图书馆与元宇宙的演进受到了相同的技术体系驱动，一方面图书馆的资源与服务是元宇宙的重要构成要素，另一方面元宇宙为图书馆带来了新的发展机遇。在元宇宙中，图书馆可以作为元宇宙与现实世界之间的交流管道，充当不同元宇宙的“交通港”，通过评价服务推动元宇宙的健康发展，并提供元宇宙原生的资源与知识服务。图书馆可以在元宇宙建设的初期阶段、基本建成阶段和发展完善阶段发挥积极作用。

Metaverse has been a hot topic in companies and institutions since its appearance. Should libraries participate metaverse construction？How to perform function in metaverse? Evolution process of libraries and metaverse is driven by almost same IT group. On one hand, resources and services of libraries are fundamental components of metaverse, and on the other hand, Metaverse brings new development opportunities to library. In metaverse, libraries can be interchange channels between metaverse and real world, and act as transportation terminals between different metaverses, and also promote metaverse healthy development by evaluation services, ultimately provide native resources and services in metaverse. Libraries can play an important role in all phases of metaverse development such as initial phase, basically completed phase and perfect phase.