Abstract: The technology of cloud computing has been preliminarily applied in some commercial domain in China.This technology will probably be applied in hbrary on a large scale in the future.This paper proposes the application of eloud computing technology in library on the basis of the introductions of its concept and technology characters,it also analyses several crucial problems that library should be pay attention to in using cloud computing technology according to its problems occurring in enterprises.

Key words: cloud computing;cloud computing technology;library;the application of cloud computing technology