This work considers the case study of e-commerce on fan page. The rapid development of information technologies emerges Web tools and platforms, through a variety of tools by a new learning method to create several times of economy knowledge. The commercial model is called as e-commerce. This research is using a data collection method, which posts recommends on the fan page in Facebook, to analyze and summarize the critical success factors for virtual communities. Then we filter significant factors form the enterprise Facebook fan page of the marketing strategy, to determine and analyze the strategy whether it would cause members’ respond from car’s fan page. And then this study discusses the impact of marketing strategies for the virtual communities.