Integrated motor-driven system

The utility model discloses an integrated motor-driven system, which comprises a motor, a speed reducer, a differential gear and two driving shafts, wherein a motor shaft of the motor is a hollow shaft; the speed reducer comprises a primary gear set and a secondary gear set; a driving gear of the primary gear set is fixed on the motor shaft; a driven gear of the primary gear set is coaxially connected with the driving gear of the secondary gear set through an intermediate shaft; the differential gear is connected with the driven gear of the secondary gear set; the two driving shafts are respectively connected with two output ends of the differential gear; one driving shaft penetrates through the motor shaft and is connected with a hub on one side of the vehicle; and the other driving shaft is connected with a hub on the other side of the vehicle. A new energy automobile power system adopting the motor-driven system has a relatively compact structure, reaches a higher integrated level, improves the transmission efficiency and is favorable for the arrangement and the design of a power system on a new energy automobile.