图书馆联盟是面向未来发展的理性选择,引起图书馆界的普遍关注。由于联盟建设受成员馆联盟观念、联盟管理和联盟环境等因素影响较大,制约联盟建设的深入发展。文章以核心竞争力为主线、可持续发展为目标,进而阐述构建联盟深度联合的制约因素和构建策略,以期为图书馆联盟的可持续发展起借鉴作用。 Library alliance is the rational choice facing the future development, arousing widespread concern in the library community. As the alliance building by members of the Union alliance concept, alliance management and alliance environment and other factors, restricting the further development of alliance construction. The article takes the core competitiveness as the main line and the sustainable development as the goal, and then elaborates the restrictive factors and constructing strategies of constructing the alliance’s deep union so as to provide reference for the sustainable development of the library alliance.