In an ink-jet printhead and a method for manufacturing the same, the ink-jet printhead includes a substrate, an ink chamber to be filled with ink to be ejected formed on an upper surface of the substrate, a restrictor, which is a path through which ink is supplied from an ink reservoir to the ink chamber, perforating a bottom surface of the substrate and a bottom surface of the ink chamber, a nozzle plate, which is stacked on the upper surface of the substrate and forms an upper wall of the ink chamber, a nozzle perforating the nozzle plate at a position corresponding to a center of the ink chamber, a heater formed in the nozzle plate to surround the nozzle, and a conductor for applying a current to the heater.