Concealed double-layered curtain box structure

The utility model discloses a concealed double-layered curtain box structure which comprises a wall surface, a top surface and a window frame on the wall surface, wherein a ceiling hanging rib layer I, a ceiling hanging rib layer II and a suspended ceiling hanging rib are arranged on the top surface from one side to the interior in sequence at intervals; a main keel layer I and an auxiliary keel layer I are arranged at the lower end of the ceiling hanging rib layer I; a main keel layer II and an auxiliary keel layer II are arranged at the lower end of the ceiling hanging rib layer II; a suspended ceiling main keel and a suspended ceiling auxiliary keel are arranged at the lower end of the suspended ceiling hanging rib; a suspended ceiling facing slab is arranged on the suspended ceiling auxiliary keel; a facing slab layer I and a facing slab layer II are arranged outside a baseplate layer I and a baseplate layer II; the facing slab layer I, the facing slab layer II and the suspended ceiling facing slab form a stepped structure. The concealed double-layered curtain box structure has the advantages that the structure is simple; the manufacture and mounting are convenient and fast; the cost is low; the decorative effect can be enhanced under the premise that the space function requirements are met; the decoration grade is higher; the follow-up maintenance is simple and convenient; the maintenance cost is low.