A method for providing an advertisement service in a digital broadcast receiver is disclosed. The method includes receiving a broadcast signal over a broadcast network; extracting configuration data of lattice-type video contents and at least one advertisement video from the received broadcast signal; editing the extracted configuration data of lattice-type video contents and displaying the edited configuration data on a display means of a user terminal as a channel selection screen; upon receipt of a focus move request from a user while providing the channel selection screen, selecting a video content corresponding to the focus move request; and if a focus moved by the focus move request of the user has been located on the selected video content for a predetermined time or more, displaying the advertisement video on the display means in contiguity with the selected video content.