A conductive line stitching method is disclosed, wherein a metal line is arranged in a protection layer to form a conductive line, which is subjected to the steps of forming conductive line, laying cloth, performing stitching, combining a device, and connecting conductive line to have the conductive line located in a stitching area to carry out a subsequent operation for connection with a device, thereby achieving an effect of being processed with a one-time process and concealing the conductive line facilitated on smart clothes.