In the new era,modern science and technology are becoming increasingly mature,the big data industry is also flourishing,and the level of big data technology is becoming stronger and stronger.The introduction and ra-tional use of big data technology in book operations is the current focus of library construction,and striving to meet the needs of users at all levels is a decisive factor in the operation quality and service capabilities of libraries.There-fore,starting from the impact of big data technology on library operations and specific applications,this paper fo-cuses on analyzing the current application status of big data technology in library operations and proposes strategies for optimizing its application.