The European Union(EU) bas enacted a series of directives including the Directive on Electronic Commerce and started harmonizing the national laws in this area. As a result of this effort, Electronic, Commerce bas been vitalized as a part of Information Society Services. This article would be helpful to analyze the new legislations of the EU and to show their essentials as seeming free movement of goods and services by Electronic Commerce in the community. Therefore, this article would be useful to draw up a plan of South Korea Legislations on Electronic Commerce.