Flue-cured tobacco plastic film mulching method and device

The invention discloses a flue-cured tobacco plastic film mulching method and device in the field of flue-cured tobacco planting utensiles.The flue-cured tobacco plastic film mulching device comprises a rack, a plurality of supporting rods are fixedly connected to the lower surface of the rack, a plastic film rolling frame is arranged on the lower portion of the rack, a plastic film rolling shaft is detachably connected to the lower portion of the plastic film rolling frame, a first air cylinder is arranged on the rack, and a support is arranged on a piston rod of the first air cylinder; the lower portion of the support is of an n-shaped structure, film pressing rods are connected to the two sides of the lower portion of the n-shaped structure, a knife rest is fixedly connected to the upper portion of the support, a mulching film cutting knife is arranged on the knife rest, a supporting rod is fixedly connected to the knife rest, a first motor is fixedly connected to the supporting rod, a first lead screw is