A contents summarizing unit that extracts a characteristic motion of a player that shows development of a match from contents regarding sports of a program that is on the air, of a material image prior to broadcasting, or of an image recorded by a recording media such as a video tape recorder and summarizes it in a required time period so that it can be watched in the required time period, and characterized by comprising an event information obtaining part that obtains score information showing a point or a record and play event information showing a characteristic motion of each player as being event information from the above-mentioned contents, a leading degree information producing part that compares score information of one player with score information of the other player at an arbitrary elapsed time of the match based on the score information and produces leading degree information that expresses a leading degree during the development of the match between the above-mentioned one player and the other player, an inside expressing information producing part that produces inside expressing information describing an outline of the development of the match based on the leading degree information, a surface sentence information producing part that produces surface sentence information expressed by a sentence that summarizes the contents based on the inside expressing information, and a contents summary information outputting part that outputs contents summary information wherein the surface sentence information is associated with image information corresponding to the event information, wherein the surface sentence information is formed by being expressed from a view of a designated player or team.