Electrode terminal and secondary battery including the same

An electrode terminal (40) and a secondary battery including the same, the electrode terminal (40) including a screw member (310), the screw member (310) including a flange (312) on a lower outer peripheral surface thereof; and a coupling member (320) including an upper portion bent so as to surround at least a part of the flange (312), and a lower portion bent so as to contact an internal surface of a cap assembly (30) and coupled to the cap assembly (30).