Abstract: The present invention provides an apparatus for implementing a universal remote controller and method thereof, by which a multitude of electronic products can be controlled by one remote controller. In a system including an electronic product module storing each remote controller control information of at least one or more products to output the stored remote controller control information according to an external request signal and a remote controller module receiving remote controller control information from the electronic product module and controlling a specific product selected by a user using the received remote controller control information, the present invention receives the remote controller control information from the electronic product module to display a key arrangement plan of the product to be controlled by a user's selection based on the received control information and then outputs key information by selecting a key of the displayed key arrangement plan.