The present invention is to provide a management system for a game arcade which does not decrease authenticity of money information, and is manageable without changing setting even if the number of a game machine is increased.A transmitting side includes money identification units, a slave processing unit connected to each money identification unit, and a slave wireless communication unit connected to each slave processing unit. A receiving side includes a master processing unit, and a master wireless communication unit connected to the master processing unit and communicating with the slave wireless communication unit. The system establishes a communication channel between the master wireless communication unit and the slave wireless communication unit, and the slave processing unit transmits the money information and the check information to the slave wireless communication unit. The system checks the authenticity of the check information corresponding to the received money information, and stores in the master processing unit the money information corresponding to the check information detected as a current money.