To provide a multimedia public communication terminal network system capable of remotely managing a multimedia public communication terminal having a telephone function, an Internet function and capable of displaying advertisement information by a central management server.

In the system where the public communication terminal providing a telephone service and an Internet service and a central management server can mutually communicate with each other, the public communication terminal includes an agent program for transferring generated accounting data, the central management server includes an IP address database for managing an IP address and position information of the public communication terminal; a accounting collection server for transferring accounting data to the registered public communication terminal; and a database server for storing transfer processing result information, and the central management server requests the registered public communication terminal to transfer accounting data and the public communication terminal transfers the stored accounting data to the central management server.