A soil screening device with the soil crushing function comprises a bottom plate, a recycling device, a frame, support devices, a first motor device, a filtering device, a feeding device and a second motor device. The bottom plate is provided with wheels, first fixing blocks and second fixing blocks. The recycling device is provided with recycling tanks, segment rings, first fixing frames and baffle rings. The frame is provided with first through holes, filtering rings, first fixing rings, second through holes and positioning rings. The support devices are provided with second fixing frames, third fixing blocks, cushion rings and first supporting rings. The first motor device is provided with a first motor, a first rotating shaft, a rotary disc and second fixing rings. The filtering device is provided with a first filtering net, material collecting rings, first protruding blocks and a material collecting hopper. The feeding device is provided with a feeding pipe, a feeding hopper, a crushing wheel and crushing teeth. The second motor device is provided with a second motor, a connecting rope, a fixing frame, a crushing block, second protruding blocks and the like. By means of the soil screening device, the soil can be sufficiently screened and filtered, and the filtering and screening efficiency is improved.