Information analysis is the core of information science and the link between information acquisition and information service, which plays an irreplaceable role in the development of information science and industry practice. Every field involving analysis in information science contains implicit thought of information analysis. All the activities related with information measurement and analysis, competitive information analysis, data mining, and social network analysis are all aimed at finding out the nature of information hidden behind the phenomenon, for which visualization method provides tools of data demonstration and results presentation, enabling the information analysis both have presenting contents and expressing method.