To provide a new trimming die for a false nail for accurately performing a process of forming a rupturing cutoff in a film or a sheet so as to be rupturable along a pattern for the false nail and a process of curvedly processing an take nail shape in a single process.
This trimming die is combined with (a) a lower die 1 for arranging a cutting blade 14 for forming the rupturing cutout in the corner of an inner peripheral surface 13a of a through hole 13 and an upper surface 11 of a plate, (b) an upper die 2 for arranging a cutting edge 22 for forming the rupturing cutout in the corner of a lower end surface 20b and an outer peripheral surface 20a of a projecting part 20 insertable into the through hole 13 and forming the lower end surface 20b in a recessed curved shape and (c) a wholly rubber receiving member 3 arranged in the through hole 13 of the lower die 1 and forming an upper end surface 30 in a projecting curved shape.
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