PURPOSE: To provide the washing management display body used by a laundry and the washing management method using this display body.

CONSTITUTION: A number code 4 which displays number information, which calls a set of management items stored in the data base of a computer, as an optical discrimination mark and a classification code 2 which displays the set of management items as visually readable characters are written together on a display body 1 for washing management, and this display body 1 for washing management is attached to the washing, and it is classified and managed based on the display body 1.