Abstract: An LCD panel, an array substrate and a manufacturing method for TFT are disclosed. The method includes: providing a substrate; forming a first metal layer on the substrate, wherein the first metal layer includes an aluminum metal layer, an aluminum oxide layer and a molybdenum metal layer stacked sequentially; patterning the first metal layer to form a gate electrode of a TFT; sequentially forming a gate insulation layer, a semiconductor layer and an ohmic contact layer on the gate electrode; forming a second metal layer on the ohmic contact layer; and patterning the second metal layer to form a source electrode and a drain electrode of the TFT. The present invention can inhibit hillock generated by the aluminum metal layer in a high temperature environment, avoid the short circuit generated among the gate, the source and the drain electrodes of the TFT to ensure the display quality of an image.