Detachable sofa

The utility model discloses a detachable sofa which comprises a mechanical stretching device for driving the sofa to move and a sofa plate mounted outside the mechanical stretching device, the mechanical stretching device comprises two mechanism sheets which are bilaterally symmetrical and arranged at an interval, and the two mechanism sheets are detachably connected through a linkage assembly; the sofa plate comprises a seat part, a footstool and a backrest, and the seat part, the footstool and the backrest are all detachably connected to the mechanical stretching device; when the sofa is packaged, the backrest, the footstool and the seat part are detached from the mechanical stretching device, the two mechanism pieces are separated from the linkage assembly, and the backrest, the footstool, the seat part, the linkage assembly and the two mechanism pieces form independent pieces to be packaged; furthermore, the to-be-packaged pieces are arranged so as to improve the space utilization rate during packaging an