论述了图书馆信息服务在大数据背景下数字的概念与内涵,将大数据和数字图书馆有机结合的必要性,但是当前这个改革的工作已然面临很多现实挑战。通过研究和分析大数据背景下数字图书馆面临的机遇和挑战,有利于充分发挥理论对实践的指导和支持作用。指出大数据技术应用于数字图书馆的发展方向以及值得进一步探讨和研究的领域。 Discusses the concept and connotation of digital information service in the background of big data and the necessity of combining big data with digital library organically. However, the current reform work has already faced many realistic challenges. By studying and analyzing the opportunities and challenges that digital libraries face in the context of big data, it is helpful to give full play to the guiding and supporting role of theory in practice. It points out the application of big data technology to the development direction of digital library and the fields worthy of further exploration and research.