The invention provides a multi-adaptive tow-bar device. The multi-adaptive tow-bar device comprises a fixing frame assembly, a spherical connecting body assembly, a traction hook connecting body assembly and an anti-lost rope assembly, wherein the fixing frame assembly is fixed to a main body girder, the spherical connecting body assembly is inserted into the traction hook connecting body assembly, and is connected and fixed through the anti-lost rope assembly. The multi-adaptive tow-bar device is simple in structure, high in functionality and convenient to operate, in an original single towing manner, the usability of a towing structure is changed, and the towing manner can be switched at any time under different towing conditions; the spherical towing device connection, the hook annulartowing connection device connection and the rectangular towing connection device connection can be realized, and the multi-adaptive tow-bar device can also be connected through a trailer rope or a trailer bar, and can adapt to trailers with multiple heights and different tons.