An object of the present invention is to provide an information provision system and an information provision method by which a user is able to easily acquire desired knowledge data. In an information provision system 1, a suggestion server 400 stores question text strings associated with response contents in advance, receives an input text string input by a user 10 by using a user terminal 100, performs morphological analysis for the input text string and each of the question text strings, calculates a score indicating to what extent each of the question text strings is related to the input text string based on results of the morphological analysis for the question text strings and a result of the morphological analysis for the input text string, and causes the user terminal 100 to display at least one of the question text strings. The score of the at least one of the question text strings satisfies a predetermined condition.