Abstract: Library of local university is an important base of the regional literature information center and society information. Cloud library of local university will break the limitation of regional distribution of documents, and expand its sharing domain of local literature. Based on the era of cloud computing and data for the background, the necessity of regional literature guarantee system construction for library of local university was firstly explained. Secondly, its construction situation and the existence question of regional literature guarantee system were analyzed. Finally, its architecture model of regional characteristic literature resources security system and its building, knowing, and sharing services models have been all put forward for library of local university in cloud computing environment, which would provide references to promote the overall development of local cultural industry.

Key words: Cloud computing environment