The present invention performs multiscreen configuration and multiscreen management by using a plurality of screens and a plurality of methods in order to represent a plurality of service contents. In accordance with a multiscreen configuration method of the present invention, by mutually assigning one or more broadcasting services, one or more logical screens, one or more display screens, and one or more output ports, ultimately outputting service contents which are executed on screens assigned by output ports, and setting, changing, and reporting configuration of a multiscreen, the configuration of the multiscreen may be set or reset so as to effectively output various service contents on the multiscreen by using a desired method.