Abstract: Disclosed is a nursing bed-chair assembly, which includes a nursing bed and a wheelchair. The nursing bed includes a bed frame, and a connecting mechanism and an interfacing mechanism which are mounted on the bed frame. The butt-joint mechanism includes a guide rail, a butt-joint fixing plate and butt-joint members. The guide rail is mounted on the bed frame, the butt-joint fixing plate is slidably mounted on the guide rail, and the butt-joint members are mounted on the butt-joint fixing plate. The wheelchair includes a wheelchair frame, a backrest and a seat plate which are mounted on the wheelchair frame, main wheels rotatablely mounted on both sides of the wheelchair frame, armrests, and butt-joint portions in butt joint with the butt-joint members.