To provide a sliding rail with a sequential function which can be manufactured with a simple structure at a low cost, lasts long, and is excellent in terms of stability in the sliding rail with a sequential function that an inner member slides forward with respect to a middle member after the middle member slides forward and stops with respect to an outer member while the inner member is housed in the middle member.

The sliding rail with a sequential function is provided with parts 72, 72 for controlling to sway sideways, which prevent an inner member 3 from swaying sideways while the inner member 3 is housed in a middle member 2, between the middle member 2 and the inner member 3.