A vehicle driving system comprises a first motor, a second motor, a clutching mechanism disposed between a first rotary shaft of the first motor and a second rotary shaft of the second motor and configured to engage the first rotary shaft with the second rotary shaft or disengage the first rotary shaft from the second rotary shaft, a control unit connected with the first motor, the second motor and the clutching mechanism and a sensor connected with the control unit and configured to sense a travelling status of the vehicle. The control unit is configured to determine and control an operation mode the clutching mechanism and/or an operation mode and a load of the first motor and the second motor based on a signal outputted from the sensor and representing the travelling status of the vehicle.