Profiling mechanism of rice transplanter

The utility model discloses a profiling mechanism of a rice transplanter. The profiling mechanism of the rice transplanter comprises a rack, a bracket, a depth control pull line, a lifting rod, a control valve, a flotation control plate, a lifting control handle, a profiling control rod, an oil cylinder, a guide rod, a depth control handle, a folded plate, a trough plate, a transplanting part and a pontoon. By virtue of the structure, the manufacture cost is saved; meanwhile, by virtue of the corresponding structure, the transplanting part is controlled by the pontoon to automatically adjust the height according to the terrain height, so that the consistency of rice transplanting depth and height at each time is ensured; the survival rate of rice seedlings is ensured.