A can crushing apparatus for crushing a can is presented. The can crushing apparatus includes an elongated structure, a piston drive assembly, a can crushing chamber, a can holding plate, a deflector guide, a control, a safety switch, a push button switch and an attachment means. The piston drive assembly includes a piston designed to crush the can. The piston includes a hammer attached with a hammer plate and a cylindrical housing for securing the piston. The hammer is extendable in a downward direction and retractable in an upward direction. The deflector guide transfers a crushed can to a can collecting bin. The control provides electric power to the can crushing apparatus. The safety switch prevents hand injuries caused by the accidental positioning of hands by a user on the crusher.