PURPOSE: To improve work efficiency by a method wherein the same tag as a tag attached to a commodity is prepared and a label for revising a price is affixed to the tag beforehand so that the tag with the label can be replaced with a tag which has been provided before the revise of the price.

CONSTITUTION: A price tag printing device 1 comprises a means 46, 47 for transporting a sheet to be printed for a price tag, a means for printing characters on the sheet to be printed, a means 30 for transporting a label 21 for revising a price, a means 25 for printing the label 21, and a means 43 for affixing the label 21 to the sheet to be printed.