A high-efficiency ore crushing device with a shock absorption function comprises a crushing device body, a baffle device, a shock absorption device, rolling wheel devices, a support device, a supporting plate device, a recovery device and a grinding device. The crushing device comprises a first frame, a feed hopper, a first rolling wheel, a transfer block, a second rolling wheel, crushing teeth and first diagonal rods. The baffle device comprises a first cylinder, a first push rod, a first push plate, first springs, a first baffle, a first support, a second spring and a second baffle. The shock absorption device comprises a first transverse plate, first vertical rods, a second transverse plate, second supports, third springs, a first bent rod, fourth springs, fifth springs, sixth springs and seventh springs. Each rolling wheel device comprises a second bent rod and a second cross rod. The support device comprises a third support, a second diagonal rod, a first bent plate, a third cross rod, a fourth support, a third diagonal rod, a fifth support and a second vertical rod. The high-efficiency ore crushing device can crush ores rapidly and effectively and is high in crushing efficiency.