Metal suspended ceiling with curved-surface decorative plate and separated connecting piece

The invention discloses a metal suspended ceiling with a curved-surface decorative plate and a separated connecting piece, and belongs to the field of the metal suspended ceiling with the curved surface decorative plate. The metal suspended ceiling with the curved-surface decorative plate and the separated connecting piece comprises a hoisting structure and a supporting structure, wherein the supporting structure is connected above the hoisting structure; the hoisting structure comprises connecting curved grooves, groove penetrating fixing rods, fixing bottom feet and transverse connecting rods, wherein the connecting curved grooves are arranged on the bottommost side of the hoisting structure; the transverse connecting rods are movably and fixedly connected to the inner sides of the connecting curved grooves; the fixing bottom feet are rotatably and fixedly connected to the middle positions of the outer sides of the connecting curved grooves; the transverse connecting rod is fixedly connected to the tail end