Medium element fertilizer processing device

The utility model belongs to the field of fertilizer processing devices, and particularly relates to a medium element fertilizer processing device which comprises a device body, a grinding roller is installed on the inner side of the device body, a first rotating shaft is installed in the middle of the grinding roller, a support is arranged below the grinding roller, and a second rotating shaft is arranged in the middle of the support. A connecting rod is arranged at the top of the second rotating shaft, a stirring rod is installed on the outer wall of the connecting rod, a screening plate is arranged below the device body, a baffle is installed on the outer wall of the screening plate, and a bearing groove is reserved in the inner side of the baffle. According to the medium element fertilizer screening device, medium element fertilizer can be crushed, the situation that follow-up processing work is affected due to the fact that raw materials are too large is avoided, the medium element fertilizer can be crus