A light emitting module comprising: a substrate; a driving unit disposed on the substrate to be adjacent to one side of the substrate; a first light emitting unit disposed adjacent to another side of the substrate and disposed on one surface of the substrate; a second light emitting unit disposed adjacent to the other side of the substrate, disposed on another surface of the substrate, and configured to emit light having a wavelength different from that of the first light emitting unit; and a reflecting portion configured to surround the first light emitting unit and the second light emitting unit and including a first region and a second region facing the first light emitting unit and the second light emitting unit, wherein each of the first light emitting unit and the second light emitting unit includes at least one light emitting chip (151, 153, 161, 163), and wherein the first region and the second region include a plurality of sub regions (121a, 121b, 123a, 123b) having a parabolic curve with respect to the light emitting chip (151, 153, 161, 163) of each of the first light emitting unit and the second light emitting unit, wherein the reflecting portion includes a plurality of facets, wherein the reflecting portion includes a bottom surface which is adjacent to the first light emitting unit and the second light emitting unit and an emission surface through which light is emitted and which is disposed on an opposite side of the bottom surface and, wherein the reflecting portion is formed in a cup structure including the bottom surface and the emission surface, and has a width (W1, W2) which gradually increases in a direction of the emission surface starting from the bottom surface, wherein the plurality of facets are disposed in each of the plurality of sub regions (121a, 121b, 123a, 123b), wherein the facets adjacent to each other have different inclination angles with respect to a first direction which is perpendicular to or parallel to the one surface (140a, 140b) of the substrate, wherein the reflecting portion includes boundary portions disposed between the plurality of sub regions (121a, 121b, 123a, 123b), characterized in that the boundary portions have inclination angles which are symmetrical to each other in boundary regions of the plurality of sub regions (121a, 121b, 123a, 123b), and in that the first and second light emitting units (150, 160) are disposed on an outer periphery of the reflecting portion and exposed to the outside. a substrate; a driving unit disposed on the substrate to be adjacent to one side of the substrate; a first light emitting unit disposed adjacent to another side of the substrate and disposed on one surface of the substrate; a second light emitting unit disposed adjacent to the other side of the substrate, disposed on another surface of the substrate, and configured to emit light having a wavelength different from that of the first light emitting unit; and a reflecting portion configured to surround the first light emitting unit and the second light emitting unit and including a first region and a second region facing the first light emitting unit and the second light emitting unit, wherein each of the first light emitting unit and the second light emitting unit includes at least one light emitting chip (151, 153, 161, 163), and wherein the first region and the second region include a plurality of sub regions (121a, 121b, 123a, 123b) having a parabolic curve with respect to the light emitting chip (151, 153, 161, 163) of each of the first light emitting unit and the second light emitting unit, wherein the reflecting portion includes a plurality of facets, wherein the reflecting portion includes a bottom surface which is adjacent to the first light emitting unit and the second light emitting unit and an emission surface through which light is emitted and which is disposed on an opposite side of the bottom surface and, wherein the reflecting portion is formed in a cup structure including the bottom surface and the emission surface, and has a width (W1, W2) which gradually increases in a direction of the emission surface starting from the bottom surface, wherein the plurality of facets are disposed in each of the plurality of sub regions (121a, 121b, 123a, 123b), wherein the facets adjacent to each other have different inclination angles with respect to a first direction which is perpendicular to or parallel to the one surface (140a, 140b) of the substrate, wherein the reflecting portion includes boundary portions disposed between the plurality of sub regions (121a, 121b, 123a, 123b), characterized in that the boundary portions have inclination angles which are symmetrical to each other in boundary regions of the plurality of sub regions (121a, 121b, 123a, 123b), and in that the first and second light emitting units (150, 160) are disposed on an outer periphery of the reflecting portion and exposed to the outside.