To provide an on-line real time monitor business system and an on-line real time monitor business method capable of acquiring detailed information about the utilization of a terminal in real time.

A user terminal connected to a network accesses a prescribed homepage opened by the other party of contract such as a maker and an information purchaser, software mounted on the terminal and/or a monitor contract about the software are performed, after the monitor contract, the software defined as a monitor contract object in the user terminal and/or use information about the software are automatically transferred to a prescribed node of the opposite monitor contract party from the terminal through the network in real time by a control program that is distributed from the opposite contract party following the monitor contract and is included in the terminal by the software and/or in the case of using the software, and when a prescribed condition about the monitoring is met, the opposite contract side pays a compensation to the user of the terminal providing the use information.