A work information generation system includes: a plurality of terminals that display a document; and a server that conducts communications with the plurality of terminals, wherein each of the plurality of terminals includes a notification section that sends notification of identification information given to each of the plurality of terminals and identification information of a document in association with each other to the server in response to display of the document, and wherein the server includes: a determination section; a work information generation section; and a work information retention section as described in the specification.