Structure protector (5), wherein these structures (5) are shelves, doors, pillars or similar and have support legs (6), which comprises a covering element (1) of the support legs (6), formed by a profile (1.1) with a C-shaped section suitable for being adjusted on the exterior lateral contour of said support legs (6) and with a support base (1.2) to the ground and at least one element with a hollow truncated pyramid shape (2), with three inclined sides (2.1) and one open side, an open lower base and an upper base, which is open towards the open side, which has a horizontal flat surface (2.2) in the contour corresponding to the three inclined sides (2.1), where the shape of the interior contour of this horizontal flat surface (2.2) is suitable for fitting the surface around the covering element (1).