The invention relates to a hybrid driving device, which comprises a power input crankcase, an auxiliary power crankcase and a power output crankcase. The power input crankcase is provided with a power input crankshaft flywheel set, and the power input crankshaft flywheel set is provided with input and output shafts. , the input shaft is connected with the gasoline engine, the output shaft is provided with a power input bevel gear, the auxiliary power crankcase is provided with an auxiliary power crankshaft flywheel group, and the auxiliary power crankshaft flywheel group is provided with input and output shafts, the input shaft is connected with the motor, and the output shaft is installed There is an auxiliary power bevel gear, the auxiliary power bevel gear meshes with the power input bevel gear, the power output crankshaft flywheel set is installed in the power output crankcase, the power output crankshaft flywheel set is provided with input and output shafts, and the input shaft is provided with a pulley. The end of the input shaft is provided with a power output bevel gear, the belt pulley is connected to the generator, the power output bevel gear meshes with the auxiliary power bevel gear, the generator is electrically connected to the storage battery, and the storage battery is electrically connected to the motor.