Abstract: The present invention relates to an information analysis system comprising: a summary table creation unit for analyzing an input file if the file is inputted, extracting a field list corresponding to the field list information stored in a provided database, and creating a summary table including the extracted field list; a preprocessing module for performing a preprocess including at least one of field refinement, group creation, and sub-data set creation, for fields of the summary table created by the summary table creation unit; a matrix creation unit for creating a matrix based on matrix setting information inputted by a user, for the fields created by the summary table creation unit or the preprocessing module; a cluster analysis unit for analyzing a cluster of corresponding fields according to a cluster analysis method inputted by the user, for fields selected by the user among the fields created by the summary table creation unit or the preprocessing module; and a visualization data creation unit for cr