读者决策采购(PDA)是近年来在美国图书馆兴起的一种基于读者使用需求的重要馆藏资源建设模式,在简要介绍其发展状况的基础上,着重探讨实施PDA服务的基本路径,即服务平台搭建、馆员筛选、书目维护和预算调整、借阅存取、付费和预算管理,为PDA在图书馆资源建设中的应用提供有益参考。 Readers ’decision-making purchasing (PDA) is a kind of important collection resource construction mode based on readers’ needs in the American library in recent years. Based on the brief introduction of its development, PDA focuses on the basic path of implementing PDA service, that is, service platform Setting up, screening of librarians, bibliographic maintenance and budget adjustment, borrowing access, payment and budget management provide useful reference for the application of PDA in the construction of library resources.