The present invention discloses a flexible flat cable structure comprising a conductor layer, a first composite mate al layer, a first insulating rubber layer, a second insulating rubber layer and a reinforcing plate. After the conductor layer, the first composite material layer, the first insulating rubber layer and the second insulating rubber layer are combined, the plurality of strips are divided into a plurality of strips, and each strip provides a plurality of wires, and the first end and the second end of the wires are exposed from the second insulating rubber layer.