A high-power LED lamp set is provided in the present invention. The high-power LED lamp set comprises: a power converting module; a power supply casing (2) for housing the power converting module; a light source casing (4), connected with the power supply casing; electrode rods (1), arranged at a rear end of the power supply casing (2) and connected with the power converting module; and LED lamps (7), mounted on a bottom surface of the light source casing (4); the light source casing (4) is provided with a lens board (5) at its opening end, wherein the lens board (5) is perforated with through holes at the positions corresponding to the LED lamps, and a high transmittance lens (8) is embedded in each of the through holes.