Provided is a detailed information management system configured such that by means of a simple operation, detailed information associated with a scene being viewed is displayed in realtime on the display of a remote control or other terminal device held by the user. This detailed information management system (1) is provided with: a monitor device (40) configured such that content can be viewed; a monitor management device (10) which is connected to the monitor device (40), and is provided with a content information management unit (M-1) configured so as to acquire content discrimination data corresponding to the content that a user is viewing on the monitor device (40), and output the acquired content discrimination data; a service management device (20) which is configured so as to input content discrimination data outputted from the monitor management device (10), extract keywords corresponding to a timeline from the inputted content discrimination data, acquire data for terminal device display on the basis of the extracted keywords, and output the acquired data for terminal device display; and a remote control type terminal device (30) which is configured so as to input the data for terminal device display outputted from the service management device (20), and display the inputted data for terminal device display on a display screen, as well as provide viewer response feedback for the data for terminal device display displayed on the display screen to the service management device (20).