To utilize a photograph or the like made of partial elements colored by many different colors as a block copy original.

The method for manufacturing a printing original plate is a method used when printed with a color pattern on a cloth product having a long staple length. The method comprises the steps of concentrating colors of about ten colors identifiable by visually recognizing the colors of partial elements while maintaining shapes of the elements of a block copy original made of the elements colored in many different colors, and then manufacturing printing originals according to the colors.