The embodiment of the invention provides an electric vehicle driving system and a control method. The system comprises a drive motor, a motor controller, an AMT transmission and an AMT transmission controller; the motor controller is connected with the drive motor, and the transmission controller is connected with the transmission; the drive motor comprises a drive motor rotor; the AMT transmission comprises a gear tooth ring, a shifting fork, a joint sleeve, a shifting motor, a transmission input shaft, a rotational speed sensor and a transmission output shaft; the drive motor rotor of the drive motor is connected with the transmission input shaft of the transmission; the gear tooth ring is arranged on the transmission input shaft; the joint sleeve is arranged on the transmission output shaft to be engaged with different dimensions of tooth rings of the gear tooth ring; the drive motor further comprises the shifting motor and the shifting fork; and the shifting motor is connected with the shifting fork so as to control the joint sleeve to be disengaged from the gear tooth ring through the shifting fork to achieve downshift or control the joint sleeve to be engaged with the different tooth rings of the gear tooth ring through the shifting fork to achieve gear engaging.