：新冠肺炎疫情对公共图书馆的服务供给和事业发展造成了巨大影响，全国各地的公共图书馆不得不以闭馆应对。疫情期间，太原市图书馆在资源整合、服务创新、人才培养、图书馆命运共同体构建等方面进行了积极的专业化发展实践。太原市图书馆的实践发挥了公共图书馆的基本职能、主动承担了信息时代的社会记忆功能、促进了图书馆行业命运共同体构建。疫情防控常态化时期和后疫情时期，公共图书馆需要在空间环境、服务模式、馆员素养、命运共同体方面有所思考和创新实践。

COVID-19 Epidemic has greatly affected the services and development of public libraries. Public libraries across the country had to close down. The paper analyzes professional practices of the Taiyuan library from information resources integration, services innovation, professional personnel training and a community of shared future. The practice of Taiyuan Library has played the basic function of the public library, taken the initiative to bear the social memory function of the information age, and promoted the construction of the community of shared future of the library industry. In the period of normalization and post epidemic prevention and control, public libraries need to think and innovate in space environment, service mode, librarians' quality and community of common future.