随着信息技术的不断发展,数据信息已经逐步渗透到各个领域,在生产和生活中发挥着重要的作用。大数据时代具有数据量大、种类繁多、价值密度低、速度快时效高等特点,而这些特征也在潜移默化的影响着图书馆的个性化服务。本文阐述了大数据时代背景下,图书馆服务的要求,重点分析大数据技术在图书馆个性化服务中的应用,并提出了新时期图书馆所面临的问题。 With the continuous development of information technology, data information has gradually penetrated into various fields and played an important role in production and life. The era of big data with a large amount of data, a wide range of low value density, high speed and time-consuming characteristics of these characteristics are also subtly affect the library’s personalized service. This article elaborates the requirements of library services in the era of big data, analyzes the application of big data technology in library personalized service, and puts forward the problems faced by libraries in the new era.