The invention discloses a multi-level smashing device for electronic waste recovery. The multi-level smashing device comprises a box, a feed hopper is arranged on the side wall of the box, and a pre-smashing mechanism is arranged in the feed hopper. The pre-smashing mechanism comprises a smashing roller, a first motor and a gear. A second-level smashing mechanism is arranged on the upper portion of an inner cavity of the box and comprises a crankshaft, a shaft sleeve, a connecting rod, a movable rod, a smashing plate and a conveyor belt mechanism. A third-level smashing mechanism is arranged at the bottom of the inner cavity of the box and comprises an auger, a rotating shaft, spiral blades and a smashing column. The multi-level smashing device is provided with the pre-smashing mechanism,the second-level smashing mechanism and the third-level smashing mechanism, multiple times of repeated smashing is carried out after pre-smashing, three-level smashing is carried out while the spiralblades are used for continuously conveying discharging pipes, electronic waste is further fully smashed, and the smashing efficiency is improved. Meanwhile, continuous smashing can be achieved, the smashing quantity is large, and the effect is good.