[Problem] To provide a coordinates information providing system and a read information management system that assist a user (customer) in properly selecting a commodity to purchase as well as in coordinating the commodity and other commodities. [Means for solving the problem] The coordinates information providing system includes a purchaser terminal 10 operated by a purchaser who purchases or plans to purchase a commodity, a management server 20 that manages information of a commodity as well as information of a purchaser and an information provider and that provides the purchaser terminal 10 with the information of the commodity, an information provider terminal 30 operated by an information provider who provides the management server 20 with coordinates information of a commodity, an information management administrator terminal 40 operated by an information management administrator who administrates the management server 20, and a network 100 interconnecting the terminals 10, 30, and 40 and server 20 to