Abstract: The present disclosure relates to a rail structure and a rail lighting structure. The rail structure includes a rail; the rail includes a body and a light outgoing area formed by the body; the body further defines an opening position in communication with the light outgoing area, and the opening position is located at a light emitting direction of the light outgoing area; the body has an extending end located at the opening position, and the extending end is configured to fix a light guide plate; the body defines a light source mounting position, the light source mounting position is adjacent to the light outgoing area, and is configured to mount a light source.