To easily and suitably manage charging to the information utilization of a user on a multimedia network or the like while protecting the privacy of the user.

The user inputs the monetary information of cash, prepaid card or IC card to a PPC input part 14 provided on a user terminal 10. Then, on the basis of an amount shown by that monetary information and/or charge information PID added to provided information PP from an information provider P, a discriminating part 11 discriminates whether the provided information PP may be utilized and, corresponding to a signal permitting the utilization, the provided information PP is processed and outputted to the user by a signal processing part 17. The information and the discrimination result on the monetary information are displayed.