The invention relates to a high-efficiency multifunctional badam shell crusher. The high-efficiency multifunctional badam shell crusher comprises an electromotor, a motor chain wheel, a frame, a vibrating screen, a crank mechanism, a first separating frame, a screw rod, a handle, a scaleplate, a sliding bearing, a shell-crushing driving roll, a feeding hole, a shell-crushing driven roll, a bearing, a cleaning roll shaft, a cleaning roll, a second separating frame, a gear, a shell-crushing roll shaft, a first chain wheel, a second chain, a second chain wheel, a synchronous chain wheel, a third chain, a third chain wheel, a shell-crushing roll driving shaft, a fourth chain wheel, a fifth chain wheel, a sixth chain wheel, a seventh chain wheel, a grid screen, a shell discharging hole and a kernel discharging hole. The high-efficiency multifunctional badam shell crusher disclosed by the invention has the following beneficial effects: 1, the shell crushing rate is high; 2, the integrity rate of kernels is increased; 3, the high-efficiency multifunctional badam shell crusher is simple in structure and easy to manufacture; 4, the shell crushing speed and the working efficiency are high, and the problems of a nut shell crusher that a shell crushing clearance cannot be adjusted conveniently and a clearance between shell crushing rolls is not uniform are solved.