Under the breakthrough of developing a series of technique in chain store management in terms of the inspiration of those knowledge imported by the main economic advanced nations, America and Japan, in the era of 1970, our traditional business model in Taiwan experiences an unexpected attack under the trend. However, comparatively, some retail chain industry still exploits this creation and gets good grades in running the business. With the rise of the E-commerce in B2C, the issue of how to use present resource and organization to integrate the virtual channel and market of E-commerce is quite essential for us to discuss. First of all, we collect related data and references as followings for the study: 1. Analyze the information of intra and extra e-commerce market. 2. Probe the key factors of developing e-commerce in B2C. 3. Anatomize the theory of competitive strategy. 4. Analyze the industrial ecology of intra convenience store. Second, interview with several related directors and staffs according to the information above. Furthermore, infer the conflict points and key factors in developing e-commerce in B2C by the case company in terms of the data corresponding integration. At last, submit the conclusion in the light of case study. Not only give the company and the whole retail chain industry some suggestions by the result of the research, but also expect to contribute the achievement to the retail chain industry in devoting the efforts in e-commerce of B2C. The crucial contributions of the study are: 1.Record the procedure and the process of importing e-commerce in B2C of the case company. 2.Analyze the case company in carrying out the strategic model of e-commerce so as to provide some references to the practical and academic field. 3.Probe the consideration and the intention of the case company to terminate and transfer the shopping network.