Wheelchair

A transformable wheelchair is disclosed, mainly consisting of a backrest, backrest support rods, a headrest rack, a seat surface, armrest racks, pedal support racks, a pedal, and an electric power driven system. When the backrest is driven by the electric power driven system to swing backward, the headrest rack, the pedal support racks, and the pedal transform along with the moving backrest in a linked manner, at last the wheelchair can be transformed into a bed, and consequently a seat occupant sitting on the wheelchair can then lie in bed. On the contrary, the transformation can be reversed, the bed can be transformed into the wheelchair, and a person lying in bed can then sit on the wheelchair. The backrest and the seat surface are provided with a massage mechanism formed by cam shafts and movable panels, wherein the cam shafts can drive the movable panels to move when the cam shafts are rotating, and the body can be massaged. The armrests of the wheelchair are provided with a wheelchair table which can be