The utility model discloses a conducting layer, jumbo size electric capacity screen and display device of jumbo size electric capacity screen, conducting layer include emitting electrode layer and collecting electrode layer, and the emitting electrode layer includes a plurality of parallel arrangement's first passageway, and the collecting electrode layer includes a plurality of parallel arrangement's second channel, and the both ends of each first passageway all are equipped with an extraction electrode, and each extraction electrode all connects a respective electrode outgoing line, and the electrode tip foot that corresponds is connected to each electrode outgoing line's output, the both ends of each second channel all are connected with the 2nd extraction electrode, and each the 2nd extraction electrode connects the 2nd electrode outgoing line, and the electrode tip foot that corresponds is connected to each the 2nd electrode outgoing line's output. Compared with the prior art, the utility model discloses a conducting layer of jumbo size electric capacity screen takes both sides to walk the structure of line, and the resistance value in whole return circuit can reduce 14 of the loop resistance value of walking the line for the tradition is unilateral at least, and the signal attenuation of reduction conducting layer promotes the touch effect that jumbo size electric capacity is shielded by a wide margin.