The invention provides a conference details recording system for recording various types of information presented during the course of a conference by associating the contents of the presentation with speakers and with words, phrases, etc. in the presentation together with time information so that any type of information as desired can be retrieved later by using a predetermined retrieval key. The system comprises a conference room 100, an entering and leaving control unit 200 to control entering and leaving of conference participants in the conference room, a display unit 300, an image/voice collecting unit 400, a recording unit 500, an information coordinating unit 600, a superintendence control unit 700, and a clock 800, and information of the conference recorded on the recording unit 500 is retrieved by using keywords or key phrases, etc. inputted via an input/output interface 900.