To provide a press die for allowing smooth motion of a flying cam with a simple configuration at a low cost.

A guide cam 4 having a work edge bending blade 5 on a lower die 2 is provided adjacent to a work receiving table 14, a bending blade 9 to bend a work edge is provided in contact with the bending blade 5 of the guide cam 4 on an upper die 1, a flying cam 6 having a cam follower 8 which is swingably supported like a pendulum in a vicinity of a pad 3 so as to be advanced/retracted to/from the guide cam 4 is provided, and a driver 10 having a guide plate 11 in which the cam follower 8 of the flying cam 6 is brought into contact with the lower die 2 according as the upper die 1 is lowered, and the flying cam 6 is swung in the direction of the guide cam 4 is disposed in a vicinity of the guide cam 4. The flying cam 6 is urged in a direction retracting from the guide cam 4 by a flying cam returning means.