Agricultural land preparation crushing and leveling device

The utility model discloses an agricultural land trimming, crushing and leveling device which comprises a machine frame, a ploughing mechanism, a crushing mechanism and a screening mechanism are arranged on the machine frame, the ploughing mechanism and the screening mechanism are arranged at the two ends of the machine frame respectively, and the crushing mechanism is arranged between the ploughing mechanism and the screening mechanism. One end of the rack is connected with an external tractor; supporting legs are arranged at one end of the rack, and rollers are arranged on the supporting legs; the two sides of the rack are each provided with a guide groove. The ploughing mechanism comprises a mounting frame, a pair of supporting plates, a plowshare and a first rotating shaft, the supporting plates are fixedly connected with the rack, and a supporting frame is arranged on the supporting plates. Soil can be crushed and leveled through the ploughing mechanism, the crushing mechanism and the screening mechanism