A project management system including a record system that records, for each project involving a plurality of users, communication history information containing information determining a communication occurrence time point of a user involved in the project, document history information containing information determining an occurrence time point of operation on a document relating to the project, and access history information containing information determining an occurrence time point of access to the document or a communication message relating to the project as distinguished from each other, a collecting unit that collects a record concerning an attention project from the record system, and an image generating unit that generates an image indicating a record frequency of the communication history information, the document history information, and the access history information in the time-series relationship based on the record collected by the collecting unit. Preferably, the generated image is presented to the user.