The invention discloses a stamping die, which comprises a die holder, a plywood, a punch and a striper plate, wherein the punch is detachably and fixedly arranged on the die holder; the striper plate is provided with a through hole for the punch to insert; at least one elastic element is arranged between the die holder and the striper plate; a plunger pin is arranged on the punch, one end of two opposite side surfaces of the punch, far away from the plunger pin, is respectively provided with a cord, the plywood is arranged between the die holder and the striper plate, a mounting hole is opened on the plywood, the punch is installed in the mounting hole, and the cord of the punch is stopped on a surface of the plywood near the die holder. The punch of the stamping die can be replaced to process holes with various shapes, and the stamping die has the advantages of simple manufacturing process, short production period and low cost.