Abstract:This paper gives a detailed review on the related concepts, characteristics and significance of the corporate public opinion for social networks. Based on the analysis of the content and structure of the social networks, we find that the researches of public opinion management are focused on the text emotional analysis, the image content to the community discovery, the personalized recommendation etc. We put forward the management and control methods of corporate public opinion in many aspects, including the early warning, the intervention of corporate online public opinion, the platform construction and network marketing. The public opinion on the social networks changes the enterprise’s management environment. We must pay attention to the structure, the content and the users of the social networks and make the management of corporate public opinion reach a new level.