Profile system for fastening objects to a room wall provided with a plate covering, comprising at least one elongated rail profile, which extends in a longitudinal direction and has a constant cross-section, and at least one plug element, which is designed to be fastened directly and detachably to the rail profile in a plug-in manner, wherein the rail profile, viewed in cross-section, has a substantially rectangular base section, whose depth is adapted to the thickness of the plate covering and which is provided on its front side with a receiving groove extending in the longitudinal direction with a groove opening accessible from the outside, and at least one fastening leg which adjoins the rear side of the base section substantially flush and projects outwards from the base section, and wherein the plug element has a holding section, in particular a plate-shaped holding section, and an elongatedly formed connecting section fastened to the holding section and extending in the longitudinal direction, the connecting section comprising at least one bar extending outwards from the holding section and a head section arranged at the free end of the bar, the head section being designed in such a way, that it can be inserted through the groove opening into the receiving groove of the rail profile in a first swivel position of the plug element with respect to a swivel axis extending in the longitudinal direction and can be locked by swiveling the plug element about the swivel axis into a second swivel position within the receiving groove, characterized in that the profile system comprises at least one load-bearing element which, on its substantially flat rear side, is provided with a groove which is open at the bottom, closed at the top and has undercuts laterally, the dimensions of the groove being adapted to the holding section of the plug element in such a way that the load-bearing element can be pushed from above onto the locked holding section in a form-fitting manner and, in this state, bears flat against the plate covering, and a bath utensil is fastened to the front side of the load-bearing element. the rail profile, viewed in cross-section, has a substantially rectangular base section, whose depth is adapted to the thickness of the plate covering and which is provided on its front side with a receiving groove extending in the longitudinal direction with a groove opening accessible from the outside, and at least one fastening leg which adjoins the rear side of the base section substantially flush and projects outwards from the base section, and wherein the plug element has a holding section, in particular a plate-shaped holding section, and an elongatedly formed connecting section fastened to the holding section and extending in the longitudinal direction, the connecting section comprising at least one bar extending outwards from the holding section and a head section arranged at the free end of the bar, the head section being designed in such a way, that it can be inserted through the groove opening into the receiving groove of the rail profile in a first swivel position of the plug element with respect to a swivel axis extending in the longitudinal direction and can be locked by swiveling the plug element about the swivel axis into a second swivel position within the receiving groove, characterized in that the profile system comprises at least one load-bearing element which, on its substantially flat rear side, is provided with a groove which is open at the bottom, closed at the top and has undercuts laterally, the dimensions of the groove being adapted to the holding section of the plug element in such a way that the load-bearing element can be pushed from above onto the locked holding section in a form-fitting manner and, in this state, bears flat against the plate covering, and a bath utensil is fastened to the front side of the load-bearing element.