The invention discloses a semiconductor light emitting element which comprises a semiconductor laminated layer, a first electrode, a second electrode and a transparent conductive layer, wherein the semiconductor laminated layer is provided with a first surface; the first surface comprises a plurality of protruding parts and a plurality of concave parts; the first electrode is positioned on the first surface and is electrically connected with the semiconductor laminated layer; the second electrode is positioned on the first surface and is electrically connected with the semiconductor laminated layer; the transparent conductive layer conformally covers the first surface and is positioned between the first electrode and the semiconductor laminated layer; the first electrode comprises a first welding part and a first extension part; the first extension part is positioned between the first welding part and the transparent conductive layer, and conformally covers the transparent conductive layer.