Multi-functional transportation tool

The invention discloses a multi-functional transportation tool. The multi-functional transportation tool includes a drive module, a seat module and a support module; the drive module comprises driving wheels, a pedal, mudguards and an electric drive system, the driving wheels are arranged at the two sides of the electric drive system, the seat module comprises folding backrest support columns and seat columns, the seat columns are connected with the pedal, the folding backrest support columns are hinged to the portions, closed to the pedal, of the rears of the seat columns, the support module comprises foldable handrails, foldable-handrail brackets, support columns and hidden crawler wheels, the top ends of the support columns are hinged to the outer ends of the seat columns, the bottom ends of the foldable-handrail brackets are hinged to the outer ends of the seat columns, one end of each foldable handrail is hinged to the top end of the corresponding foldable-handrail bracket, and the bottom ends of the support columns are provided with the hidden crawler wheels. The multi-functional transportation tool has a wheelchair usage state and a balance-car usage state, is flexible and convenient to switch and can be synchronously applied to able-bodied persons and disabled persons, the utilization rate of the transportation tool is improved, and social resources are reasonably saved.