The invention discloses a treatment heath care nursing bed combined by a wheelchair and a bed. A bed surface of the treatment health care nursing bed includes a backrest, a seat plate, and a leg supporting plate of the wheelchair, a bed head table, a left bedside table, a right bedside table, and cooling and warming pads corresponding arranged on the above parts; the wheelchair is positioned among the bed head table, the left bedside table and the right bedside table; guide rails are arranged on cross beams connected to inner sides of supporting legs on the bottom of the wheelchair; a scooter having a treadle type foot motion massager, an electrical foot bath device, and moving wheels is connected to the guide rails; the backrest is a movable and adjustable, the backrest can be adjusted to a vertical state by a positioning mechanism connected to the backrest till the backrest extends outward at an angle of 180 degrees and is attached to the center of a bed head table surface; the moving wheels of the wheelchair are manual pushing wheels or motor-driven wheels; the foot supporting plate is arranged on the front end of the seat plate or under the seat plate; and massage devices are arranged in vertical column grooves formed in the center or two sides of the backrest. The invention can solve the problem that the conventional medical nursing beds are few in medical rehabilitation functional parts, and are difficult to carry, maintain, install, transfer, change, and transport.