公共图书馆作为人类社会知识的宝库,经过长期的文化积淀,积累保存着人类几千年文化科学知识的结晶,其知识资源的丰富性、连续性和完整性是其他知识文化结构无法比拟的,独具服务于社会经济的知识资源优势。丰富的信息资源为公共图书馆的服务创新奠定了坚实的物质基础。一、公共图书馆文献信息资源的构成网络环境下的公共图书馆文献信息资源包括两部分:一部分是本馆的现实馆藏或实体馆藏,另一部分就是虚拟馆藏。实体馆藏由两大类信息资源构成:第一类 As a treasure house of knowledge of human society, after a long period of accumulation of culture, public libraries accumulate thousands of years of cultural and scientific knowledge, and their richness, continuity and completeness of knowledge resources are unmatched by other knowledge and cultural structures. Unique to serve the socio-economic advantages of knowledge resources. Rich information resources have laid a solid material foundation for the service innovation of public libraries. First, the composition of the public library document information resources Public library literature resources under the network environment consists of two parts: one part of the library’s actual collection or physical collection, the other part is the virtual collection. Entity collections consist of two main types of information resources: the first category