[Problem] The purpose of the present invention is to provide a stretchable electrode sheet and a stretchable wiring sheet that are capable of maintaining high electrical conductivity even if being stretched.[Solution] The stretchable electrode sheet and the stretchable wiring sheet of the present invention, wherein the electrode and the wiring are sheet-like and that are capable of being laminated on a substrate including； wherein the electrode has a first insulating layer and a stretchable conductor layer provided on the first insulating layer, and the wiring has a three-layer structure having the first insulating layer, the stretchable conductor layer, and a second insulating layer, and wherein the stretchable conductor layer has an electric resistance of 300 Ω/cm or less, and a load at stretching of a stretching rate of 10% of the electrode and the wiring is 100 N or less.
