The utility model provides a server case, which is suitable for being arranged on a rack, and the rack is provided with at least one slide rail. The server case comprises a case body, a stop part and a cover body, wherein the case body is provided with a base plate and at least one side wall extending upward from the edge of the base plate; the side wall is suitable for being arranged on the slide rail in a sliding way, and is provided with two notches; the stop part is fixed on the side wall, and is provided with two spring plates, the spring plates pass through the notches and are protruded on the outer surface of the side wall, and the spring plates can be pressed towards the inner surface of the side wall; the cover body is provided with two slits, and is configured on the outer surface of the side wall; the spring plates are arranged in the slits and propped against the cover body, and the cover body is positioned on the outer surface of the side wall through the structural interference between the spring plates and the cover body.