A long medium having an adhesive sheet temporarily adhered to a release sheet, the long medium having a tip and a trailing end defining an overall length of the long medium, comprising: a plurality of holes equidistantly provided on a straight line on both side edge parts in a longitudinal direction; a plurality of first indicators repeatedly given on at least one of the side edge parts on a straight line at spacings of an integral multiple of spacings (d) of the plurality of holes thereby eqidistantly sectioning the plurality of holes; and a plurality of second indicators repeatedly given on at least one of the side edge parts on a straight line different from a row of the first indicators at spacings shorter than spacings of the first indicators, wherein the plurality of holes, the plurality of first Indicators, and the plurality of second indicators are provided approximately in parallel to one another, characterized in that a respective spacing between a respective leading-end hole and a respective trailing-end hole between a respective pair of adjacent first indicators indicates a reference length of the long medium, the respective leading-end hole being a hole of the plurality of holes sectioned by the respective pair of adjacent first indicators near inside the respective first indicator of the respective pair of adjacent first indicators at a tip side of the long medium, and the respective trailing-end hole being a hole of the plurality of holes sectioned by the respective pair of adjacent first indicators near inside the respective first indicator of the respective pair of adjacent first indicators at a trailing end side of the long medium. a first ratio of a spacing (d) between the plurality of the holes and a unit length of the long medium and a second ratio of a difference between a spacing between the first indicators and a spacing between the second indicators and a change amount of a remaining length of the overall length of the long medium indicated by this difference are approximately equal to each other, each of the second indicators is provided to a side of a respective trailing-end hole, and a respective spacing between a respective leading-end hole and the respective second indicator being provided to a side of the respective trailing-end hole pairing up with the respective leading-end hole is approximately proportional to a remaining length of the overall length of the long medium. a plurality of holes equidistantly provided on a straight line on both side edge parts in a longitudinal direction; a plurality of first indicators repeatedly given on at least one of the side edge parts on a straight line at spacings of an integral multiple of spacings (d) of the plurality of holes thereby eqidistantly sectioning the plurality of holes; and a plurality of second indicators repeatedly given on at least one of the side edge parts on a straight line different from a row of the first indicators at spacings shorter than spacings of the first indicators, wherein the plurality of holes, the plurality of first Indicators, and the plurality of second indicators are provided approximately in parallel to one another, characterized in that a respective spacing between a respective leading-end hole and a respective trailing-end hole between a respective pair of adjacent first indicators indicates a reference length of the long medium, the respective leading-end hole being a hole of the plurality of holes sectioned by the respective pair of adjacent first indicators near inside the respective first indicator of the respective pair of adjacent first indicators at a tip side of the long medium, and the respective trailing-end hole being a hole of the plurality of holes sectioned by the respective pair of adjacent first indicators near inside the respective first indicator of the respective pair of adjacent first indicators at a trailing end side of the long medium. a first ratio of a spacing (d) between the plurality of the holes and a unit length of the long medium and a second ratio of a difference between a spacing between the first indicators and a spacing between the second indicators and a change amount of a remaining length of the overall length of the long medium indicated by this difference are approximately equal to each other, each of the second indicators is provided to a side of a respective trailing-end hole, and a respective spacing between a respective leading-end hole and the respective second indicator being provided to a side of the respective trailing-end hole pairing up with the respective leading-end hole is approximately proportional to a remaining length of the overall length of the long medium.