An agricultural work management system includes: a data input unit (41) configured to receive, from an agricultural crop harvester (1), harvesting position data indicating a harvesting work position as agricultural land information, harvest amount data indicating a harvest amount of the agricultural crop harvested in the agricultural land, and quality data indicating the quality thereof as agricultural crop information; a database server (6) configured to store the agricultural land information and the agricultural crop information such that they can be associated with each other; an agricultural work evaluation unit (51) configured to perform agricultural work evaluation on the agricultural land based on the agricultural land information and the agricultural crop information; and a data output unit (42) configured to send out the agricultural work evaluation data generated by the agricultural work evaluation unit.