Provided is a operating method of a video display device including a display unit. A receiving unit obtains an uncompressed audio and video content. A content recognition configuration management unit receives information of the uncompressed audio and video content based on a characteristic information of the uncompressed audio and video, sets a content reminder based on the information of the uncompressed audio and video content, wherein the content reminder notifies broadcasting information for another content which is related to the uncompressed audio and video content. And reminds the another content while displaying the broadcasting information of the another content based on the setting of the content reminder.