SURFACE ASSEMBLY, INTERIOR PART AND INTERIOR SYSTEM

The present disclosure provides a surface assembly, an interior part and an interior system. And the surface assembly includes a skin, and an outer surface of the skin being used as the outer surface of the surface assembly, and as a visible surface to the user provided by the surface assembly, and the skin further includes an inner surface opposite to the outer surface; and a light guiding stitch, the light guiding stitch being connected with the skin by a sewing configuration, and the sewing configuration includes a first part located on the outer surface, a second part penetrating thickness of the skin; and a third part located in the inner surface; and the light guiding stitch provides a light path that a light beam enters the light guiding stitch at one end in length direction of the light guiding stitch, and emits through at least one first part.