The present disclosure provides an array substrate and a manufacturing method of the array substrate. The method includes sequentially forming an active layer and an insulating layer on a substrate; forming a common electrode layer and a first metal layer on the insulating layer using a same photomask, wherein the common electrode layer includes touch electrodes; and forming a second metal layer on the pixel electrode layer, wherein the second metal layer includes touch signal lines, and the touch signal lines electrically are electrically connected to the touch electrodes.