A special crushing device for medlar branches comprises a main frame, a traction frame, a left side plate, a right side plate, a vertical mesh plate, a housing, a speed reducer, an output shaft, a driving belt wheel, a driven belt wheel, a branch crushing roll shaft, a branch crushing toothed plate set, connecting lugs and a rolling roll, wherein the left side plate and the right side plate are fixedly assembled on the left side and the right side of the main frame respectively; the vertical mesh plate is positioned at the back end of the main frame; the housing is assembled on the left side plate and the right side plate; the speed reducer is fixedly assembled on the main frame; one end of the output shaft is assembled to the power output end of the speed reducer, and the other end of theoutput shaft runs through the left side plate and is assembled to the driving belt wheel; the left end of the branch crushing roll shaft runs through the left side plate and is assembled to the driven belt wheel; the right end of the branch crushing roll shaft is assembled on the right side plate through a bearing base; one end of the branch crushing toothed plate set is hinged to the connectinglugs; the two ends of the rolling roll are assembled on the left side plate and the right side plate. The special crushing device for the medlar branches can mechanically crush the medlar branches andreturn the crushed branches into a field, and has relatively high working efficiency.