An electric driving device, comprising: an electric motor; and a control device arranged on an axis line of a rotation shaft of the electric motor, for controlling drive of the electric motor, the electric motor comprising a motor terminal extending toward the control device in parallel to a direction of the axis line of the rotation shaft, the control device comprising: a semiconductor switching element for switching a current of the electric motor; a heat sink for releasing heat generated from the semiconductor switching element; a motor connection terminal formed on an extension line of the motor terminal and electrically connected to the semiconductor switching element and the motor terminal; and an insulating member for holding the motor connection terminal, the insulating member comprising a resin wall extending substantially in parallel to the axis line of the rotation shaft, for adjusting a position of the motor terminal with respect to the motor connection terminal by arranging the motor terminal on an inner circumferential side of the resin wall, to thereby fix the insulating member to the heat sink, characterized in that the motor terminal has a slit formed at an end portion of the motor terminal on the control device side, the motor connection terminal being pinched by the slit formed in the motor terminal so that the motor terminal is fixed in a state of being press-fitted to the motor connection terminal. an electric motor; and a control device arranged on an axis line of a rotation shaft of the electric motor, for controlling drive of the electric motor, the electric motor comprising a motor terminal extending toward the control device in parallel to a direction of the axis line of the rotation shaft, the control device comprising: a semiconductor switching element for switching a current of the electric motor; a heat sink for releasing heat generated from the semiconductor switching element; a motor connection terminal formed on an extension line of the motor terminal and electrically connected to the semiconductor switching element and the motor terminal; and an insulating member for holding the motor connection terminal, a semiconductor switching element for switching a current of the electric motor; a heat sink for releasing heat generated from the semiconductor switching element; a motor connection terminal formed on an extension line of the motor terminal and electrically connected to the semiconductor switching element and the motor terminal; and an insulating member for holding the motor connection terminal, the insulating member comprising a resin wall extending substantially in parallel to the axis line of the rotation shaft, for adjusting a position of the motor terminal with respect to the motor connection terminal by arranging the motor terminal on an inner circumferential side of the resin wall, to thereby fix the insulating member to the heat sink, characterized in that the motor terminal has a slit formed at an end portion of the motor terminal on the control device side, the motor connection terminal being pinched by the slit formed in the motor terminal so that the motor terminal is fixed in a state of being press-fitted to the motor connection terminal.