Online social media contains rich emotional information of online users, which has become the best resource for countries and enterprises to understand the emotions and opinions of netizens. Web text sentiment analysis technology has become a research hotspot in many disciplines. At the same time, emotional cognitive computing is also the highest form and frontier subject of artificial intelligence technology.In addition,The motivation of our research intersting  from ever-growing concerns about privacy and security issues in cyberspace, as well as the vital values of steganography technologies in maintaining the privacy and security of communications over the centuries. Steganography is a typical non-cooperative game problem, which mainly studies how to embed the privacy information into normal carriers, hide its existence and resist the censorship of the monitor, so as to ensure its security. Such technology involves multidisciplinary domains such as mathematics, physics, information science, computer science, signal processing, and even sociology, psychology and so on.