Abstract: A movable carriage board for use with an industrial sewing machine is disclosed. The carriage board designed to provide the operator of a sewing machine the space for the arrangement of cut parts comprises a stationary rod attached at two ends respectively to a support frame and a base frame of the sewing machine and an extension rod to which a flat board is secured by means of a fixing mechanism. The stationary rod and the extension rod are combined by a double pipe sleeve that is furnished with a fastening mechanism for changing the position and the elevation of the extension rod. The inventive carriage board is adaptable for laying short cut parts and hanging long cut parts on it, enhancing the working efficiency of the operator.