An electric steering device comprising: an electric actuator which generates a steering assist force for a steering mechanism of a vehicle, a control unit which controls the steering assist force generated from the electric actuator based on a steering operation by a driver, an ignition signal detection unit which detects presence or absence of an ignition signal of the vehicle, and a speed acquisition unit which acquires a running speed of the vehicle, wherein in a case that the ignition signal is not detected and the running speed is equal to or larger than a predetermined speed (Vx), the control unit reduces an upper limit of the steering assist force generated from the electric actuator so as to be smaller than an upper limit of the steering assist force in a case that the ignition signal is detected, wherein in the case that the ignition signal is not detected and the running speed is equal to or larger than the predetermined speed, the control unit multiplies the upper limit of the steering assist force generated in the case that the ignition signal is detected by a correction coefficient smaller than 1 so that the upper limit is reduced so as to be smaller than the upper limit in the case that the ignition signal is detected, wherein the control unit changes the steering assist force depending on the running speed, and multiplies the steering assist force generated at each of the respective running speeds by the correction coefficient so that the steering assist force generated at each of the respective running speeds is reduced so as to be smaller than the upper limit in the case that the ignition signal is detected, characterized in that the control unit changes the correction coefficient depending on the running speed. an electric actuator which generates a steering assist force for a steering mechanism of a vehicle, a control unit which controls the steering assist force generated from the electric actuator based on a steering operation by a driver, an ignition signal detection unit which detects presence or absence of an ignition signal of the vehicle, and a speed acquisition unit which acquires a running speed of the vehicle, wherein in a case that the ignition signal is not detected and the running speed is equal to or larger than a predetermined speed (Vx), the control unit reduces an upper limit of the steering assist force generated from the electric actuator so as to be smaller than an upper limit of the steering assist force in a case that the ignition signal is detected, wherein in the case that the ignition signal is not detected and the running speed is equal to or larger than the predetermined speed, the control unit multiplies the upper limit of the steering assist force generated in the case that the ignition signal is detected by a correction coefficient smaller than 1 so that the upper limit is reduced so as to be smaller than the upper limit in the case that the ignition signal is detected, wherein the control unit changes the steering assist force depending on the running speed, and multiplies the steering assist force generated at each of the respective running speeds by the correction coefficient so that the steering assist force generated at each of the respective running speeds is reduced so as to be smaller than the upper limit in the case that the ignition signal is detected, characterized in that the control unit changes the correction coefficient depending on the running speed.