The utility model relates to a sugarcane top rubbing crusher, including frame, baffle, apron, rubbing crusher structure, transmission system and feeder hopper, the feeder hopper welds in the preceding tip of frame, the baffle has two, install respectively in the left and right both sides of frame, the apron divides the upper cover plate and laps down, the upper cover plate install in the baffle top, down the apron install in the baffle below, the discharge gate welding is in the rear end of frame, transmission system includes motor, belt pulley and crushing roller, crushing roller passes through the bearing frame level to be fixed in the frame, and is located the centre of upper and lower apron, rubbing crusher constructs including moving sword, crushing roller, stationary knife, move sword immobilization connection in crushing roller moves on the blade holder, stationary knife fixed mounting in down on the apron. The utility model discloses simple structure moves knife tackle and stationary knife group through device on rubbing crusher, and move the ordered arrangement between knife tackle and the stationary knife group, guaranteed the sugarcane top smash the in -process by crushing degree, stationary knife combination simultaneously can be gone on crushingly again to the sugarcane top that moves after the knife tackle cutting again to can effectively destroy sugarcane top surface texture, thereby let the sugarcane top after smashing can be by abundant fermentation.