1. A bending sequence and bending die proposing apparatus for a sheet metal part comprising: an unit to store a development drawing of the sheet metal part; an unit to detect a plurality of bending sequence candidates capable of manufacturing the sheet metal part, and bending die candidates to be used in the respective bending steps in the respective bending sequence candidates, based on the development drawing; and an unit to display the plurality of bending sequence candidates, wherein the display includes information representing the number of stages in the respective bending sequence candidates.