The object of this invention is to offer an information mediating system which can mediate the specific information out of the received information from an information provider. The specific information is information which fulfills the objective specification. This system charges a service fee to the information beneficiary, and pays a compensation to the information provider. The service fee and the compensation are offset for each terminal. The information beneficiary and provider are selected each time according to the objective specification. An information mediating system provided with a plurality of terminals which have both information sending and receiving functions, or either an information sending or a receiving function through a network, and provided with an information mediator which has an information mediating function to mediate an received information through the network. The information mediating function comprises 1) a grouping function to select an information provider and an information beneficiary out of the plurality of terminals according to an objective specification to specify a specific information to be obtained; and 2) a data transmission function to transmit the specific information obtained from the selected information provider, which fulfills the objective specification, to the selected information beneficiary through the network.