A supporting structure is provided for supporting a flat panel display. The supporting structure includes a brace and a base. The brace includes a chassis and a number of arms movably connected to the chassis. The chassis includes a supporting portion surface, an opposite grasp portion surface, and a side surface connecting the supporting portion surface and the grasp portion surface. The supporting portion surface is positioned against the back surface of the flat panel display. The chassis defines a number of side openings on the side surface from the grasp portion surface and along a direction parallel to the axis of the chassis. The base includes a casing sleeved on the chassis therein. The casing defines a number of cutouts corresponding to the side openings and cooperates with the side openings to define a number of sliding grooves for the arms sliding therein respectively.