To enable visual grasping of the content of an electronic document by extracting topic words in the electronic document and schematizing the relevancy thereof.

This method for forming a topic word relevancy view for an electronic document comprises extracting topic words in the electronic document to measure the appearance frequency of each topic word, while measuring the total set number of topic words and the relevant set number of respective topic words in which each distance of topic words is a relevancy limit distance or less, measuring the respective relevancy ratios between topic words based on the measured total set number and relevant set number of topic words, and schematizing the relevancy between topic words in the electronic document based on the appearance frequency of each topic word and the respective relevancy ratios between topic words.