An information display system, comprising: a dot pattern printed material comprising a dot pattern having coordinate position code information, the dot pattern being printed on a printing object through gravure printing in a less visible and optically readable manner; optical reading means for optically reading the coordinate position code information; information transfer means for transferring, to a server device, the coordinate position code information that is read by the optical reading means; the server device for outputting associated information that is accumulated in advance in association with the coordinate position code information; and information display means (30, 32) for displaying the associated information output from the server device, characterized in that the dot pattern printed material is obtained by printing the dot pattern through the gravure printing with carbon black ink on a black printing layer that is formed with cyan ink, magenta ink, and yellow ink, and wherein the dot pattern printed material comprises: an outer sheet; the black printing layer printed on a back surface of the outer sheet through the gravure printing; the dot pattern printed on the black printing layer through the gravure printing; a white ink layer printed on the dot pattern with white ink through the gravure printing; and an inner sheet provided on the white ink layer, and wherein a coordinate system of the dot pattern is printed in a state of being inverted with respect to a coordinate system viewed from a front surface side of the outer sheet so that the dot pattern is read by the optical reading means through the outer sheet from the front surface side of the outer sheet. a dot pattern printed material comprising a dot pattern having coordinate position code information, the dot pattern being printed on a printing object through gravure printing in a less visible and optically readable manner; optical reading means for optically reading the coordinate position code information; information transfer means for transferring, to a server device, the coordinate position code information that is read by the optical reading means; the server device for outputting associated information that is accumulated in advance in association with the coordinate position code information; and information display means (30, 32) for displaying the associated information output from the server device, characterized in that the dot pattern printed material is obtained by printing the dot pattern through the gravure printing with carbon black ink on a black printing layer that is formed with cyan ink, magenta ink, and yellow ink, and wherein the dot pattern printed material comprises: an outer sheet; the black printing layer printed on a back surface of the outer sheet through the gravure printing; the dot pattern printed on the black printing layer through the gravure printing; a white ink layer printed on the dot pattern with white ink through the gravure printing; and an inner sheet provided on the white ink layer, and wherein a coordinate system of the dot pattern is printed in a state of being inverted with respect to a coordinate system viewed from a front surface side of the outer sheet so that the dot pattern is read by the optical reading means through the outer sheet from the front surface side of the outer sheet. an outer sheet; the black printing layer printed on a back surface of the outer sheet through the gravure printing; the dot pattern printed on the black printing layer through the gravure printing; a white ink layer printed on the dot pattern with white ink through the gravure printing; and an inner sheet provided on the white ink layer, and wherein a coordinate system of the dot pattern is printed in a state of being inverted with respect to a coordinate system viewed from a front surface side of the outer sheet so that the dot pattern is read by the optical reading means through the outer sheet from the front surface side of the outer sheet.