E-commerce is based on modern information technology, financial electronic collection, management, Business Information Network into one aimed at achieving flow of materials, funds and information flow to the harmony and unity of new ways of trade, trade is the whole process of electronic networking and digital. As e-commerce following the industrial revolution of the most important new economic model that is in the current rapid development The paper from the emergence of electronic commerce and the role of the main problem facing the government in e-commerce and the role of government and how to strengthen management, the promotion of e-commerce development, and so elaborate. The United States and Singapore as an example, the governments of developed countries in e-commerce development for the position of the analysis, in keeping with China's current status of development of e-commerce, e-commerce explained the context of the government's functions and role.