The utility model provides a shrimp shell rubbing crusher, includes frame, first motor, fan, pipeline, baffle, movable block, linear electric motor, feed inlet, second flange bearing, first slider, first slide rail, screw rod, nut, second gear, first gear, third motor, quick -witted case, first clamp plate, cylinder, controller, first flange bearing, chamber door, second clamp plate, second slider, second slide rail, pivot and crushing sword, the pivot is installed on the first flange bearing to the first flange bearing of machine incasement right side installation, and outside the more than crushing sword of installation in the pivot, pivot left end stretched out quick -witted case, the pivot left end passed through the shaft coupling and links to each other with first motor, and first motor is installed on the frame, and the frame is installed in quick -witted case side, the utility model has the advantages that: have the shrimp of pressing shell function, be fit for the processing of a small amount of shrimp shell.