PURPOSE: To provide such a manufacture for a knife member for a knife that the tipped part in a knife member is used as less as possible so as to be produce at a low cost and cutting from the knife raw material may be achieved a high yield.

CONSTITUTION: When a knife member 3 is mounted on the pedestal 1 of a knife A, the blade tip part 4 face is cut in such a way as opposing to a relief face (b) in the knife A and a cutting face (c) in the knife A is cut slant in such a way as forming an acute knife angle α to the relief face (b).