The present invention discloses an OGS touch screen, a manufacturing method thereof and an OGS touch device. The OGS touch screen includes a substrate; a first p-ITO array that is provided in a display area of the substrate, the first p-ITO array including a plurality of first p-ITO touch electrodes; and a second p-ITO array that is provided on the first p-ITO array, the second p-ITO array including a plurality of second p-ITO touch electrodes, wherein an interval between any two adjacent first p-ITO touch electrodes in the first p-ITO array is smaller than an interval between any two adjacent second p-ITO touch electrodes in the second p-ITO array.