The invention provides an array substrate and its manufacturing method and an In
Cell touch control display panel. According to the array substrate, a first flat layer, a touch
control signal layer, a second flat layer, a common
electrode, a
passivation layer and a pixel
electrode are sequentially formed on a source / drain
electrode, a data line and a third insulating layer, in the structure, the touch
control signal layer is located below the second flat layer, the situation that bulges form in the region, corresponding to the touch
control signal layer, on the surface of the array substrate does not occur, the surface of the array substrate is relatively flat, the situation that sliding of a spacer causes the collapse of a
liquid crystal box or the scratch of an alignment film can be avoided, and the displaying quality is improved; at the same time, three
passivation layers in an existing array substrate are reduced to one
passivation layer, the manufacture procedure is thus simplified, and the manufacturing cost is reduced. According to the manufacturing method of the array substrate, the surface of the prepared array substrate is flat, the manufacture procedure is simple, and the manufacturing cost is low. The In
Cell touch control display panel is good in displaying quality and low in production cost.