The invention discloses a slide rail structure, which is arranged between a computer cabinet and a rack. The slide rail structure comprises a first slide rail and a second slide rail, wherein the first slide rail is fixedly connected to the rack; the second slide rail is provided with a first end, a second end and a bearing part; the second slide rail is fixedly connected to the rack by the firstend, and is connected with the first slide rail by the second end; and the bearing part contacts a bottom plate of the computer cabinet to enable the computer cabinet to slide on the bearing part.