Research on the cloud computing ecosystem is benefit for deepening the understanding of cloud computing industry and enhancing the pertinence and scientificity of related industrial policy making, which in order to contributes to the healthy devel- opment of cloud computing industry. This paper uses Google search engine for the entire network to search and extract the concept cluster of XaaS. Then, the paper uses Web co-word analysis for the quantitative analysis of the formation, communities structure and population boundary of cloud computing...