PROBLEM TO BE SOLVED: To provide a seedling transplanter capable of stopping at a prescribed position upon stopping of a planting device regardless of driving force transmission status during operation of the planting device.SOLUTION: The seedling transplanter includes a seedling loading table 51 for loading the seedlings and arranged at a rear portion of the travelling vehicle body 2, a planting device 60 for picking up the seedlings from the seedling loading table 51 and planting the seedlings to the field, a rotation sensor 94 for detecting a stop position of the planting device 60 when the driving force is not transmitted to the planting device 60, and an auxiliary driving motor 85 for moving, when the stop position of the planting device 60 detected by the rotation sensor 94 is not the prescribed position, the planting device 60 to the prescribed position.
