The invention relates to a self-propelled tray, which is mainly used in links such as process transfer, the loading and the transportation of finished products, the warehouse storage and the handling of products and the like. The structure of the self-propelled tray is that casters and a frame beam are installed on a tray body, the casters are fixedly connected with a connecting plate, the connecting plate is fixedly connected with a lifting screw, the lifting screw is connected with a lifting screw shaft sleeve and a locking piece, and the lifting screw shaft sleeve is connected with the frame beam through a fixed plate. The invention solves the problem in the prior art that the movement and the transportation of workpieces among processes are very inconvenient, and widens the application scope of the tray and the self-propelled handling of kinds of articles.