Protective cover for seedling planting

The utility model relates to the technical field of nursery stock planting, in particular to a protective cover for nursery stock planting. The device comprises a chassis and a protection mechanism, the protection mechanism comprises a first outer cover and a second inner cover, the first outer cover is fixedly connected to the top end face of the chassis, the second inner cover is slidably connected to the inner side of the first outer cover, one end of the second inner cover is located outside the first outer cover, a threaded groove is formed in the outer side of the first outer cover, and a positioning screw is in threaded connection to the inner side of the threaded groove; one end of the positioning screw extends to the inner side of the first outer cover and is movably connected with the outer side of the second inner cover; a sliding assembly is arranged on the outer side of the second inner cover; by means of the protection mechanism, after the nursery stocks are planted, the nursery stocks can be co