E-commerce will replace traditional business model and the 21st century is the core of economic activities. Enterprise informationization is the foundation of e-commerce. Electronic commerce is not only the essence through the network, but using the Internet shopping, thoroughly change the traditional technology of business operation mode. Information technology is that it is not true that the traditional working methods, and it is more efficient to enterprise broke traditional work rules, and create a new way of working, this is the core content of the enterprise restructuring. Information technology is enterprise restructuring, the starting point is the ultimate goal of enterprise restructuring of the vehicle. E-commerce has helped to enterprise, e-commerce has also brought to the business risks, anyhow e-commerce to enterprise is a double-edged sword, in the practice process, reduce the management risk of the enterprise that e-commerce in enterprise in its biggest advantage.