[目的/意义] 建设多馆联盟的中国科学院全院图书馆统一自动化系统，有效解决中国科学院内图书馆资源服务离散、独立法人下图书馆经费和资源独立管理、数据和系统重复建设的问题。[方法/过程] 提出构建多馆联盟模式下的总分馆“云服务”的管理模式，并选用相对成熟、稳定的Aleph500系统对中国科学院研究所图书馆印本资源、全院统筹订购的电子资源进行有效集成和揭示。[结果/结论] 建成了“全院图书馆统一自动化系统共享服务网络”，形成了中国科学院全院工作和服务联盟，有效支撑了中国科学院研究所图书馆的基础业务和服务工作。

[Purpose/significance] In multi library alliance mode is constructed, which effectively solves the problems of decentralized service and resources of CAS libraries, independent management funds and resources under the independent legal person and repeat of the data and system construct.[Method/process] Propose a method of building management model of cloud services based on general-branch library in multi library alliance mode, which effectively integrates and reveals the printed resources and part of electronic resources of CAS libraries by choosing Aleph500.[Result/conclusion] A shared service network of CAS unified library automation system has been constructed, which effectively supports the basic business and service work of CAS libraries,and this shared service network also forms a coalition of work and service for CAS libraries. Automatic system of CAS libraries.