Food-grade biological nano normal-temperature fresh-keeping box for fruits and vegetables

The utility model discloses a food grade biological nanometer fruit and vegetable normal temperature fresh-keeping box which comprises a fresh-keeping box body, a fresh-keeping box cover is installed above the fresh-keeping box body, the inner surface of the fresh-keeping box body is coated with a nanometer coating, buckles are arranged on the periphery of the fresh-keeping box cover, buckle protrusions are arranged on the surfaces of the buckles, and the nanometer coating is coated with a nanometer coating. An ultraviolet lamp tube is arranged on the surface of the fresh-keeping box cover; the supporting rod air cylinders and the spraying pipes are installed on the left side and the right side of the interior of the fresh-keeping box body, the extending ends of the supporting rod air cylinders are connected with supporting rods, the extending ends of the supporting rods are movably connected with the spraying pipes in a pin joint mode, and a plurality of atomizing nozzles are arranged in the axial direction