The utility model relates to a smash technical field, concretely relates to biomass fuel rubbing crusher crushed aggregates structure, including the frame, to install crisscross pivoted flying knife mechanism and dead knife mechanism and smash living beings in the frame, the screen cloth is installed and is filtered kibbling living beings in flying knife mechanism and dead knife mechanism below, flying knife mechanism includes band pulley, bearing, rotor, arbor, belt lace wheel and a plurality of flying knife, belt lace wheel front end is pegged graft with the arbor rear end, and the cover hasband pulley and bearing on the arbor, and the belt lace wheel rotates with band pulley area moving cutter shaft, and the rotor is installed along with the arbor rotates on the arbor, and a pluralityof flying knives are installed and are smashed living beings along with the rotor rotates on the rotor. It is low to have simple structure, energy consumption, installation and easy operation, and work efficiency is high, and the biomass fuel size of producing accords with the advantage of production requirement.