Abstract: Cloud computing is leading a new round of development of IT technology and will eventually become a significant impact on the library world.At present,the regional centralized development pattern among domestic colleges and universities has emerged.How to achieve the resource sharing of regional university library has become a prevailing concern.In this paper,take the digital library of Zhejiang University Xiasha sub-centers(XADL) as example,the author introduces the concept of cloud computing to explore th...