Social Media Definition (慕青公 off; tel: 400-075-4752, Q: 4000754752) is a concept that has recently emerged, generally refers to the "energy interactive" media, or if the lack of effective participation of users, platform basically no media content. Change the mode of transmission in the past for many-to-many media "dialogue." In the field of social media, there are two key words: UGC (user generated content) and CGM (consumer-generated media). Social media definition has three key stages: creating interesting content, opinion leaders and the use of social media tools to stimulate the ripple effect of the definition and the establishment of an effective way to listen to user feedback, analyze and optimize products and marketing. Due to personal property and dissemination of social, social media can do more precise definition of push and better dissemination of results, so now do the branding and marketing, to talk about social networks will feel left behind. But unfortunately, despite having many advantages, but in practical applications, social networking did not play the role of mainstay, is still in its infancy. Social media is defined as a new online media to give users a great participation in space, it has the following features participation: people can actively contribute to stimulate interest and feedback, it blurs the line between media and audience; public : Most of the social media definition are free to participate, they encourage people to comment, feedback and share information. Involved in the definition and use of social media content in virtually no barriers; AC: traditional media to adopt a "broadcast" the form, content spread by the media to the user, one-way flow. The advantage lies in the definition of social media, the spread between two-way media content and users, which formed a kind of exchange; there is no doubt that more and more money is spent on social media advertising. In fact, the definition of Social Media Examiner recently reported that 65 percent of this year's marketing plan to increase their social media advertising budget, reallocate funds, display, video, rich media and offline tactics.