An image display device and an image display method are provided. The image display device includes: a signal processing unit receiving and processing a broadcasting program; a storage unit storing the broadcasting program; an outputting unit decoding and outputting the broadcasting program; and a control unit controlling a progress bar that displays a storing or playing progress state and a thumbnail image of the broadcasting program according to a progressing state to be displayed when the broadcasting program is stored in the storage unit or the broadcasting program stored in the storage unit is played.