A wiring loop structure of a skin electrode pad production machine includes a first transmission means for transmitting a strip clad substrate portion, a second transmission means for transmitting a strip conductive adhesive portion, a circulation conveyor belt with plural positioning fixtures, and two laminating rollers for laminating the clad substrate portion and the conductive adhesive portion. The first transmission means includes an assembling roller disposed above an end of the circulation conveyor belt, and the positioning fixture is provided for positioning an electrode lead, and the assembling roller strip clad is provided for adhering the substrate portion to the electrode lead, and the two laminating rollers are provided for attaching the strip clad substrate portion and the conductive adhesive portion after being laminated by the two laminating rollers, so as to facilitate the electrode lead to assemble and manufacture the electrode pad.