Since “cloud computing” was put forward by Google , it quickly became the most popular concept in IT industry and
widely permeated into various areas promoted by IBM, Microsoft and other IT industry giants. In this paper the methods
of bibliometric analysis were used to investigate the global cloud computing research trend based on Web of Science
(WoS) database and the Engineering Index (EI) Compendex database. In this study, the publication, countries, institutes,
keywords of the papers was deeply studied in methods of quantitative analysis, figures and tables are used to describe the
production and the development trends of cloud computing.