The present invention discloses a method and system of managing a laundry room. In the method, identification information including an ID (identifier) is received through a communicator. Then, information about the rate and operating conditions is set through the communicator. A predetermined operation allowed by the setting is performed according to a received payment after receiving information about insertion of the payment from the payment device. While performing, operating information is recorded. Then, the recorded operating information is transmitted in response to a request of the communicator.