Liftable submerged plant planting device

The utility model relates to the technical field of submerged plant planting, and discloses a liftable submerged plant planting device which comprises a planting carrier, a plurality of lifting mechanisms used for controlling the planting carrier to ascend and descend and a plurality of fixing pieces used for fixing the lifting mechanisms to the water bottom. The lifting mechanism comprises a mounting part, a sliding block and a threaded rod, a vertical sliding groove is formed in the mounting part, the sliding block is slidably mounted in the sliding groove, one end of the sliding block extends out of the sliding groove and is fixed to the planting carrier, and the threaded rod is rotatably mounted in the sliding groove and is in threaded connection with the sliding block; a power source capable of driving the threaded rod to rotate is mounted on the mounting part; the fixing piece comprises a vertical pile, and one end of the vertical pile is fixed to the mounting part. The position of the planting carrier