A self-destructed disposable injection syringe is provided, the syringe includes a barrel (1) and an injecting plunger (2) which can slide within the barrel(1), a piston is provided on the end of the injecting plunger (2) within the barrel, a seal gasket (3) is provided on the piston (5), a heave (4) for destructing the seal gasket (3) is provided on the bottom of the barrel (1), a cavity (51) for the heave (4) entering is provided on the piston(5).
