A bending-torsion coupled vibration type vibrating stress relief device excited by electromagnetic actuators is characterized in that a disc is fixed on a rotating shaft, an eccentric mass block is fixed on the disc, the output shaft of a motor is connected with one end of the rotating shaft through a coupler, the other end of the rotating shaft is fixedly connected to the center of the bottom surface of a vibration exciter frame, the center of a vibration exciting force arm is fixedly connected with the center of the bottom surface of the vibration exciter frame, a first electromagnetic actuator and a second electromagnetic actuator are respectively fixed at the two ends of the vibration exciting force arm, a positive electrode ring and a negative electrode ring are mounted on the wall of an outer barrel fixed on the vibration exciter frame and connected with the first electromagnetic actuator and the second electromagnetic actuator through wires respectively, and a positive electric brush and a negative electric brush are in contact with the positive electrode ring and the negative electrode ring respectively. The bending-torsion coupled vibration type vibrating stress relief device excited by the electromagnetic actuators solves the problem that vibration stress relief of bending-torsion coupled vibration is controlled by a torsional vibration exciting source, and residual stress of the high-rigidity rotating shaft is eliminated through bending-torsion coupled vibration excited by the electromagnetic actuators, so that the production efficiency, the production security and the production reliability are improved.