The disclosed herein is an articulated portable lamp fixture composed of a grip and a fixture body developable and retractable by articulation motion and can be fixed at any desired angle step by step by trapping a stop block formed on the fixture body in one of the confinement grooves formed on the articulation of the grip so that this portable lamp is easy to use while providing the best lighting efficiency, and convenient to put away without occupying large space when being not in use.