The invention is about a lighting apparatus, particularly a LED cup light with high power. It comprises a LED light source with high power, a light cup, with double-screw bolt at the bottom of the bracket. The body and the feet are in an integral part, with the body using aluminum, zinc, aluminum alloy or bronze or other metal or alloy, having an inner screw thread through-hole with lead holes atboth sides at the center of the bottom of the body. There is a reflecting layer inside the wall of the light with the said wall's surfacing taking on the form of a fluctuating emission. There are radiators set at the outside surface of the body or the light cup with the shape, size and thickness adjustable and also being able to be distributed unevenly. The invention can be used extensively for indoor decoration, lighting, transportation and other fields.