The invention discloses a wheelchair production line. A frame supporting base is arranged on a circulating annular transport line and provided with a high support pipe and a lower support pipe which are arranged front and back, a wheelchair frame is placed on the frame supporting base, the lower side of the frame is supported by the high support pipe, the higher side of the frame is supported by the lower support pipe, the whole frame is suspended and supported, in this way, front wheels and rear wheels can be installed respectively, the four wheels of a wheelchair are finally assembled on theannular transport line at a time, and the time and labor are saved; moreover, the frame supporting base can be set to rotate by 360 degrees, after the front and rear wheels at one side are installedon the frame, the frame supporting base rotates by 180 degrees to drive the frame to rotate to the other side, the front and rear wheels at the other side are installed, and the installation operationis more convenient.