Advertizement keyword extracting apparatus and method using situation of video

PURPOSE: An advertisement keyword extracting apparatus using situation of a video and a method thereof are provided to display an advertisement most proper to the situation of a video which is currently reproduced. CONSTITUTION: A knowledge database including an advertisement keyword list and a classification system classifying the situation of a video are established(S510). A video script corresponding to an inputted video is classified by a scene unit, and the situation corresponding to each scene is determined based on the established database(S520). On the basis of the established database, a keyword advertisement corresponding to the situation of each scene is extracted(S530).