An organic hydride production apparatus , comprising: an electrolyte membrane having proton conductivity; a cathode , provided on one side of the electrolyte membrane , said cathode comprising a cathode catalyst layer : a cathode chamber that houses the cathode catalyst layer; an anode , provided opposite to the one side of the electrolyte membrane , said anode comprising an anode catalyst layer ; an anode chamber that houses the anode catalyst layer and an anolyte comprising water; and a gas introduction unit for introducing into the anolyte at a predetermined position a predetermined gas; wherein the apparatus is arranged to supply an organic hydrogenation target substance to the cathode and to hydrogenate the hydrogenation target substance at the cathode catalyst layer using protons to produce an organic hydride; supply the anolyte to the anode and to oxidize the water in the anolyte at the anode catalyst layer to produce protons; and remove at least one of the hydrogenation target substance and the organic hydride that have passed through the electrolyte membrane and been mixed into the anolyte by promoting gasification of the at least one of the hydrogenation target substance and the organic hydride through introduction of the predetermined gas at the predetermined position. an electrolyte membrane having proton conductivity; a cathode , provided on one side of the electrolyte membrane , said cathode comprising a cathode catalyst layer : a cathode chamber that houses the cathode catalyst layer; an anode , provided opposite to the one side of the electrolyte membrane , said anode comprising an anode catalyst layer ; an anode chamber that houses the anode catalyst layer and an anolyte comprising water; and a gas introduction unit for introducing into the anolyte at a predetermined position a predetermined gas; wherein the apparatus is arranged to supply an organic hydrogenation target substance to the cathode and to hydrogenate the hydrogenation target substance at the cathode catalyst layer using protons to produce an organic hydride; supply the anolyte to the anode and to oxidize the water in the anolyte at the anode catalyst layer to produce protons; and remove at least one of the hydrogenation target substance and the organic hydride that have passed through the electrolyte membrane and been mixed into the anolyte by promoting gasification of the at least one of the hydrogenation target substance and the organic hydride through introduction of the predetermined gas at the predetermined position. a cathode chamber that houses the cathode catalyst layer; an anode , provided opposite to the one side of the electrolyte membrane , said anode comprising an anode catalyst layer ; an anode chamber that houses the anode catalyst layer and an anolyte comprising water; and a gas introduction unit for introducing into the anolyte at a predetermined position a predetermined gas; wherein the apparatus is arranged to supply an organic hydrogenation target substance to the cathode and to hydrogenate the hydrogenation target substance at the cathode catalyst layer using protons to produce an organic hydride; supply the anolyte to the anode and to oxidize the water in the anolyte at the anode catalyst layer to produce protons; and remove at least one of the hydrogenation target substance and the organic hydride that have passed through the electrolyte membrane and been mixed into the anolyte by promoting gasification of the at least one of the hydrogenation target substance and the organic hydride through introduction of the predetermined gas at the predetermined position. <EOS>