A combined lift table comprising • a desktop frame comprising a connecting seat, • a base comprising a slot, wherein the connecting seat of the desktop frame is insertable in the slot, wherein the desktop frame has a frame height (h f) defined as the vertical extension from the upper boundary of the desktop frame to the lower boundary of the connecting seat, when the connecting seat is inserted in the slot of the base, and wherein the combined lift table has a total height (h t) defined as the maximal extension from the upper boundary of the desktop frame to the lower boundary of the base, when the connecting seat is inserted in the slot of the base, wherein the base comprises at least one first supporting rod 1 and/or at least one first supporting rod 3, positioned at a vertical distance (a) from the lower boundary of the base, wherein the combined lift table comprises at least two configurations, wherein • according to a first configuration the connecting seat is inserted in the slot in a first position, such that the connecting seat rests on the at least one first supporting rod 1 and/or on the at least one first supporting rod 3, resulting in a first value (h 1) of the total height (h t) equal to h 1 =h f +a, and • according to a second configuration the connecting seat is inserted in the slot in a second position, such that the connecting seat does not contact the at least one first supporting rod 1 and the at least one first supporting rod 3, resulting in a second value (h 2) of the total height (h t), wherein h 1 >h 2, wherein ∘ the connecting seat rests on a surface, particularly a floor, in the second configuration of the combined lift table, when the combined lift table is positioned on the surface; or ∘ wherein the base comprises at least one second supporting rod 2 and/or at least one second supporting rod 4, and wherein the connecting seat rests on the at least one second supporting rod 2 and/or on the at least one second supporting rod 4 in the second configuration of the combined lift table; characterized in that the connecting seat in the first configuration is rotated with respect to the second configuration by an angle of 25° to 125°. • a desktop frame comprising a connecting seat, • a base comprising a slot, wherein the connecting seat of the desktop frame is insertable in the slot, wherein the desktop frame has a frame height (h f) defined as the vertical extension from the upper boundary of the desktop frame to the lower boundary of the connecting seat, when the connecting seat is inserted in the slot of the base, and wherein the combined lift table has a total height (h t) defined as the maximal extension from the upper boundary of the desktop frame to the lower boundary of the base, when the connecting seat is inserted in the slot of the base, wherein the base comprises at least one first supporting rod 1 and/or at least one first supporting rod 3, positioned at a vertical distance (a) from the lower boundary of the base, wherein the combined lift table comprises at least two configurations, wherein • according to a first configuration the connecting seat is inserted in the slot in a first position, such that the connecting seat rests on the at least one first supporting rod 1 and/or on the at least one first supporting rod 3, resulting in a first value (h 1) of the total height (h t) equal to h 1 =h f +a, and • according to a second configuration the connecting seat is inserted in the slot in a second position, such that the connecting seat does not contact the at least one first supporting rod 1 and the at least one first supporting rod 3, resulting in a second value (h 2) of the total height (h t), wherein h 1 >h 2, wherein ∘ the connecting seat rests on a surface, particularly a floor, in the second configuration of the combined lift table, when the combined lift table is positioned on the surface; or ∘ wherein the base comprises at least one second supporting rod 2 and/or at least one second supporting rod 4, and wherein the connecting seat rests on the at least one second supporting rod 2 and/or on the at least one second supporting rod 4 in the second configuration of the combined lift table; characterized in that the connecting seat in the first configuration is rotated with respect to the second configuration by an angle of 25° to 125°. ∘ the connecting seat rests on a surface, particularly a floor, in the second configuration of the combined lift table, when the combined lift table is positioned on the surface; or ∘ wherein the base comprises at least one second supporting rod 2 and/or at least one second supporting rod 4, and wherein the connecting seat rests on the at least one second supporting rod 2 and/or on the at least one second supporting rod 4 in the second configuration of the combined lift table;