A home networking system using a self-moving robot is provided. The self-moving robot and household devices connected via a network can be wirelessly controlled indoors or outdoors. The self-moving robot receives an operating command transmitted from a wireless operating unit, transmits information, indicating whether or not the command has been received, to the operating unit, executes a task corresponding to the command, and outputs a control signal to an accessible household device. Each signal transmission device is driven according to a drive signal transmitted within a specific range from the robot, transmits its state information including identification information to the robot when driven, and transmits a direction change signal for the robot in a specific direction. The operating unit displays the command reception information and/or state information of the signal transmission device transmitted from the self-moving robot and outputs a control signal to an accessible household device through the robot.