The present disclosure relates to the field of display technologies, and discloses a Thin Film Transistor, a method for preparing the same, an array substrate, a display panel and an apparatus. The TFT includes: a base substrate; an active layer; a source electrode; and a drain electrode; where the active layer, the source electrode, and the drain electrode are sequentially laminated on the base substrate; and a projection of the source electrode on the base substrate covers a projection of part of edges of the active layer on the base substrate.