An automatic position restoring slide rail device includes: a slide rail device having a bottom rail and an inner rail slid with respect to the bottom rail; a control device having a control base, a spring connected between the control base and the slide cover, and a control plate with a concave guide slot, and the guide slot having a latch groove on one side and an aslant guide slot on another side, and the slide cover being covered at the control base, and having a first return slot and a second return slot; a swing element, including a first actuating block at the first return slot and a second actuating block at the second return slot, a link element, fixed at the inner rail. Therefore, the present invention can achieve a smoother and better automatic position restoration.