The invention discloses a capacitive touch structure which comprises a PET film layer, a transparent optical adhesive substrate, an ink layer, a transparent filling layer and an electrode layer, wherein the transparent optical adhesive substrate is fitted on the PET film layer and comprises a window area and a non-window area; the ink layer is arranged on the non-window area of the transparent optical adhesive substrate; the transparent filling layer is located in the window area of the transparent optical adhesive substrate and above the ink layer, and is used for filling the step caused by the ink layer; and the electrode layer is formed above the transparent filling layer. The capacitive touch structure has bendabilityand can be fitted to flexible displays, so that the requirement of people for diversified products is satisfied; and moreover, the structure is produced through a process with a few steps,, and is low in production cost, high in production efficiency and high in product yield. The invention furthermore discloses a capacitive touch screen and a preparation method thereof.