Apparatus and method for displaying data

The present invention relates to a data display device, a memory unit for storing the data corresponding to the user input and outputting the data display request signal in response to the user request, each of the identification information and the identification information for each of the plurality of data, a given on the display unit for displaying the data under the control, when the data display request signal is input, when controlling the display unit to display said identification information, and the predetermined identification information is selected, one of the identification information selected above on the display identification information displaying the corresponding data on a first layer and, when a predetermined area of ​​the data displayed through the first layer consists of a selection control unit for controlling the second layer to expand to the selected region on the display unit is to display. Accordingly, the present invention has the effect that to display the large amount of data effectively on a small screen. Data display device