Method and apparatus for providing channel and source list information in image display system

PURPOSE: A channel and source list providing method in an image display device and a device thereof are provided to enable a user to conveniently search multiple channels on a channel list by displaying a banner screen which includes additional information of registered channels together with the channel list on one screen. CONSTITUTION: A channel and source list providing method in an image display device comprises the following steps: a step of receiving a signal, which is mapped to a channel list, from the outside(110); a step of displaying the channel list which includes at least one favorite channel according to the received signal(120); a step of selecting a first channel among one or more favorite channels displayed on the channel list(130); a step of displaying a tuned first screen of the selected first channel and a second screen which displays additional information about the first screen and the first channel(140).