The invention provides a solid-state battery electrode formed of a lithium ion conductor, an active material, and a solid electrolyte and including a granule that contains a plurality of lithium ion conductors and a plurality of active materials, as well as a method of producing a solid-state battery electrode that has a step of preparing a granule that contains a plurality of lithium ion conductors and a plurality of active materials and a step of uniformly mixing the granule with a solid electrolyte.