An image display apparatus and a method for providing an Xlet of the image display apparatus, are provided. The image display apparatus operated by a remote controller having a plurality of function keys, the image display apparatus comprises: an Xlet unit which performs Xlet included in a data broadcast signal; and a display unit which displays the preoccupied state of the plurality of function keys by the performed Xlet. Accordingly, a user may easily recognize the performed state of the Xlet.