The report also showed that China’s group buying market reached RMB 23.7 billion in sales in the same year. Mediums like search engine, branding, performance marketing, email direct marketing, social media and price engine have also played significant role in e-commerce online marketing. The diversified online marketing channels have derived a group of third-party marketing service providers with focus on specific media platform. The e-commerce online marketing industrial chain has been refined, and a unique small ecosystem has formed gradually. Secondly, in terms of SEM(search engine marketing), performance optimization would play a more important role compared to mere key words optimization.