The cloud computing technology has been widely discussed and defined in a number of ways. It’s the new and changing business models enabled by the emergence of the different technologies associated with cloud computing that really count. The effective integration of cloud computing idea and telecom operators' advantage on network and operation can bring large market effect. It has been a core focus in current telecom industry. Based on the analysis of cloud computing concept and technology development, this paper proposes the cloud computing application framework for telecom operator, and explain clearly the operator cloud computing development idea and trend with innovative idea, great ability and unified cloud platform. Finally, some typical cloud computing products are given, which may provide a significant reference for rational planning of operator cloud computing application.