Detachable multifunctional combined soft sofa

The utility model discloses a detachable multifunctional combined soft sofa which comprises two armrest plates, a supporting bottom plate is fixedly arranged between the two armrest plates, a supporting plate is arranged at the top of the supporting bottom plate, a movable groove is formed between the supporting plate and the supporting bottom plate, and the movable groove is fixedly connected with the supporting bottom plate. A stretching plate is arranged in the movable groove, a backup plate is arranged at the top of the supporting plate, and a vertical plate is arranged on the surface of the rear side of the backup plate. The stretching plate, the supporting plate and the supporting bottom plate are arranged, the stretching plate is arranged in the movable groove between the supporting plate and the supporting bottom plate, when the whole sofa does not need to be adjusted, the supporting plate serves as a main bearing face of the sofa, the whole structure is stable, the stretching plate can be pulled out