A frame for a fuel cell, the frame comprising: a frame body having a channel opening defined therein and a feed opening and a discharge opening defined therein, wherein the feed opening and discharge opening are spaced apart from each other and the channel opening is disposed between the feed opening and discharge opening; and a plurality of anti-deformation support structures (120a, 120b) protruding from a first region (110n1) and a second region (110n2) of a top face of the frame body, the first region (110n1) being disposed between the channel opening and the feed opening and the second region (110n2) being disposed between the channel opening and the discharge opening, wherein each of the plurality of anti-deformation support structures (120a, 120b) has an elliptical cross-sectional shape having a major axis and a minor axis, wherein each major axis of the anti-deformation support structures (120a, 120b) is parallel to a first direction from the feed opening to the discharge opening, the anti-deformation support structures formed on the first region (110n1) are arranged in a line along a second direction perpendicular to the first direction, and the anti-deformation support structures formed on the second region (110n2) are arranged in a line along the second direction, wherein the top face of the frame body comprises an upper reference region and a lower fluid-flow region (110n1, 110n2) including the first region (110n1) and the second region (110n2), wherein the lower fluid-flow region (110n1, 110n2) has a lower level than the upper reference region, and wherein a bottom face of the frame body comprises a lower reference region and an upper cell-supporting region, wherein the upper cell-supporting region is formed along an edge of the channel opening and has a higher level than the lower reference region, wherein each of the anti-deformation support structures (12a, 120b) extends from a first position of the lower fluid-flow region (110n1, 110n2) corresponding to the lower reference region to a second position of the lower fluid -flow region (110n1, 110n2) corresponding the upper cell-supporting region. a frame body having a channel opening defined therein and a feed opening and a discharge opening defined therein, wherein the feed opening and discharge opening are spaced apart from each other and the channel opening is disposed between the feed opening and discharge opening; and a plurality of anti-deformation support structures (120a, 120b) protruding from a first region (110n1) and a second region (110n2) of a top face of the frame body, the first region (110n1) being disposed between the channel opening and the feed opening and the second region (110n2) being disposed between the channel opening and the discharge opening, wherein each of the plurality of anti-deformation support structures (120a, 120b) has an elliptical cross-sectional shape having a major axis and a minor axis, wherein each major axis of the anti-deformation support structures (120a, 120b) is parallel to a first direction from the feed opening to the discharge opening, the anti-deformation support structures formed on the first region (110n1) are arranged in a line along a second direction perpendicular to the first direction, and the anti-deformation support structures formed on the second region (110n2) are arranged in a line along the second direction, wherein the top face of the frame body comprises an upper reference region and a lower fluid-flow region (110n1, 110n2) including the first region (110n1) and the second region (110n2), wherein the lower fluid-flow region (110n1, 110n2) has a lower level than the upper reference region, and wherein a bottom face of the frame body comprises a lower reference region and an upper cell-supporting region, wherein the upper cell-supporting region is formed along an edge of the channel opening and has a higher level than the lower reference region, wherein each of the anti-deformation support structures (12a, 120b) extends from a first position of the lower fluid-flow region (110n1, 110n2) corresponding to the lower reference region to a second position of the lower fluid -flow region (110n1, 110n2) corresponding the upper cell-supporting region.