With the rapid development of information technology,digital services in libraries have gradually become an essential means to enhance the efficiency of information resource utilization.However,current library digital ser-vices still face numerous challenges in terms of efficiency,user experience,and data management.To address these is-sues,this paper leverages the advantages of big data technology to propose a series of effective strategies for enhanc-ing library digital services.These include optimizing service efficiency,improving user experience,and enhancing data management,thereby providing theoretical support and practical guidance for the optimization of library digital services.