The development of archival social media conforms to the trend of information technology and the era of big data, which provides personal, intellectual and integrated service to users. This paper firstly introduces the concept of social media influence. Then the author investigates two typical platforms: WeChat and Sina Microblog from the perspectives of account type, geographical distribution and influence. Meanwhile, the thesis analyzes the characteristics of different platforms and indicate the direction of development. Finally, the paper lists four countermeasures including developing management standards, optimizing resource contents, mining social media platform value and focusing on users’ demands.