The competition of enterprise in nowadays is not judged by the size of companies, but is determined by how fast and best the company can respond to markets, consumers, and competitors. In other words, the most crucial key point is to make rapid and accurate decisions. The EIS (Executive Information System) will help to achieve the purpose. This research report uses the newest web technique which uses the standard services and functions which are combined into the module system to speed up responses to the user’s requirement, and to provide quickly the solution. Moreover, the function of EIS, which simulates the frame on the web environment with application of Data warehouse, is fully discussed. Furthermore, by using the multi-dimensional hierarchy structure to build the data mart, and simple quick-developing tool to design a EIS system suitable for 3C chains stores, it will improve the EIS implementation success rate and increase the competition of enterprises.