A thermoelectric element according to an embodiment of the present invention comprises: a first metal substrate; a first resin layer disposed on the first metal substrate and in direct contact with the first metal substrate; a plurality of first electrodes disposed on the first resin layer; a plurality of thermoelectric legs disposed on the plurality of first electrodes; a plurality of second electrodes disposed on the plurality of thermoelectric legs; a second resin layer disposed on the plurality of second electrodes; and a second metal substrate disposed on the second resin layer, wherein the first resin layer comprises a polymeric resin and an inorganic filler and at least a part of side surfaces of the plurality of first electrodes are embedded in the first resin layer.