A door conveying apparatus for a work area has a door conveying traveling body with door hanger supporting portions on both left and right sides thereof supporting two door hangers, a space is formed between the two door hangers and the topside thereof is closed by the door conveying traveling body and both left and right sides thereof are closed by the door hangers, and the downside thereof and traveling-direction both front and rear sides of the door conveying traveling body are open, and each door hanger is provided with door supports supporting doors on a side of the door hanger opposite to a side adjoining the space.