Completely-assembled stone, glass and metal curtain wall

The invention relates to the technical field of curtain walls, and provides a complete assembly type stone, glass and metal curtain wall which comprises a main body structure wall body, a curtain wall panel, a steel stand column and a cross beam, and the steel stand column and the cross beam are connected between the main body structure wall body and the curtain wall panel and used for installing the curtain wall panel. An embedded part into which a bolt can be screwed is arranged in the main body structure wall body, an adapter piece is arranged on one side, close to the curtain wall panel, of the wall body, and the adapter piece can be an angle steel adapter piece or a processed L-shaped steel adapter piece; one end of the adapter is screwed into a thread of the embedded part through a screw rod, and the other end of the L-shaped steel adapter clamps the steel stand column and then is connected in a penetrating mode through the side end of a bolt; the fabricated curtain wall completely conforms to the index