A method for operating a content recognition apparatus is disclosed. The method for operating a content recognition apparatus according to an embodiment may comprise the steps of: obtaining at least one of a video fingerprint and an audio fingerprint of content corresponding to a content recognition request; retrieving, in a video fingerprint database and an audio fingerprint database for at least one broadcast service signal, a video fingerprint or an audio fingerprint which matches at least one of the obtained video fingerprint and audio fingerprint; and providing content information corresponding to the retrieved video fingerprint or audio fingerprint.