E-commerce enterprises are mostly small and medium-sized enterprises, cloud computing elastic service delivery and charging mode is very popular, small and medium-sized enterprises according to the changes in their own business needs and IT resources to elastically expand, to avoid the redundancy of resources to the greatest extent possible and waste.

Cloud computing advantage: to solve the problem of simultaneous processing of massive amounts of data, with sufficient computing power, storage capacity to cope with. Network products and application services in various fields can be brought together, and users' information processing, online shopping, information, games and other network needs can be integrated in one stop. Perfectly combines the Internet, mobile communications, short-distance communications and other technologies.