Nursery stock planting heat preservation device

The utility model relates to the technical field of nursery stock planting, in particular to a nursery stock planting heat preservation device which comprises a heat preservation box, heat preservation cotton is arranged on the inner wall of the heat preservation box, a containing bin is arranged on the inner side of the heat preservation cotton, a supporting plate is fixedly connected to the inner wall of the heat preservation box, and a containing disc is arranged at the top end of the supporting plate. A high-pressure spray head is arranged at the bottom end of the supporting plate, an elastic buckle is fixedly connected to the outer wall of one side of the heat preservation box, and a high-pressure water tank is arranged on one side of the elastic buckle. The heat preservation cotton is arranged on the inner wall of the heat preservation box to conduct multi-plant heat preservation on seedlings, the high-pressure spray head is arranged at the bottom end of the supporting plate, heat preservation and moist