Seedling transplanter

The invention provides a seeding transplanter capable of preventing the damage of a soil preparation device and reliably smoothing the surface of a field. The rear part of a walking vehicle body is provided with a seedling planting portion (4) elevating by means of an elevating connecting mechanism (3), the seeding transplanter of the soil preparation device (27) for smoothing the surface of the field is provided with a soil preparation support bracket (76) for supporting the soil preparation device (27), the soil preparation device is configured to a position closer to the front side of the transplanter body than the soil preparation support bracket (76), a first soil preparation rotating arm (75a) for connecting the left side and the right side of the soil preparation device and the soil preparation supporting bracket is provided, a second soil preparation rotating arm (75b) is arranged between the left side and the right side of the first soil preparation rotating arm, the second soil preparation rotating