中文摘要：

在读者需求、读者行为、出版模式、信息技术、社会期望等一系列变化的环境下，图书馆服务呈现新的发展趋向。现代图书馆的服务原则除基本保障原则外，还有开放与共享、公平与平等、公益与免费、便利与高效、多样与满意、创新与发展。服务内容有文献服务、信息服务、知识服务、方法服务、文化服务、空间服务、智能服务、移动服务。

英文摘要：

Library service shows a new trend of development under the series of changes in the needs of readers, readers＇ behavior, publishing patterns, information technology, social expectations and so on. In addition to the basic principle of service, the principles of modern library service also include open and sharing, fair and equality, public welfare and free, convenience and efficiency, variety and satisfaction, innovation and development. Service contents are literature, information service, knowledge service, method service, culture service, space service, intelligent service and mobile service.