A motor vehicle illuminating headlight, comprising a power supply driver, wherein the power supply driver is electrically connected with a plurality of structure modules, the surfaces of the structure modules are in contact with an aluminum pressing strip, the aluminum pressing strip is connected with a radiator, which is fixedly connected with the power supply driver, an outer side of the radiator is connected with a PC lens, and another side of the radiator is connected with a support, wherein peach of the plurality of structure modules comprises a LED aluminum substrate in contact with the aluminum pressing strip, wherein a surface of the LED aluminum substrate is connected with a light guide element, the light guide element having a formed through hole, a main illuminating LED light source fixedly connected with the LED aluminum substrate is arranged in the through hole, the main illuminating LED light source is electrically connected with the power supply driver, a plurality of secondary illuminating LED light sources fixedly connected with the LED aluminum substrate are uniformly distributed on an outer side of the light guide element, the main illuminating LED light source and the secondary illuminating LED light sources are electrically connected with the power supply driver, and a reflector connected with the LED aluminum substrate is arranged on the opposite side of the light guide element to the aluminum pressing strip, the power supply driver controls and adjusts an illumination intensity of the main illuminating LED light source and drives secondary illuminating LED light sources to be lightened, and light generated by the lightened secondary illuminating LED light sources is refracted and reflected by the light guide element, then is uniformly emitted from the surface of the light guide element, and then is uniformly emitted after being reflected by the reflector. wherein the power supply driver is electrically connected with a plurality of structure modules, the surfaces of the structure modules are in contact with an aluminum pressing strip, the aluminum pressing strip is connected with a radiator, which is fixedly connected with the power supply driver, an outer side of the radiator is connected with a PC lens, and another side of the radiator is connected with a support, wherein peach of the plurality of structure modules comprises a LED aluminum substrate in contact with the aluminum pressing strip, wherein a surface of the LED aluminum substrate is connected with a light guide element, the light guide element having a formed through hole, a main illuminating LED light source fixedly connected with the LED aluminum substrate is arranged in the through hole, the main illuminating LED light source is electrically connected with the power supply driver, a plurality of secondary illuminating LED light sources fixedly connected with the LED aluminum substrate are uniformly distributed on an outer side of the light guide element, the main illuminating LED light source and the secondary illuminating LED light sources are electrically connected with the power supply driver, and a reflector connected with the LED aluminum substrate is arranged on the opposite side of the light guide element to the aluminum pressing strip, the power supply driver controls and adjusts an illumination intensity of the main illuminating LED light source and drives secondary illuminating LED light sources to be lightened, and light generated by the lightened secondary illuminating LED light sources is refracted and reflected by the light guide element, then is uniformly emitted from the surface of the light guide element, and then is uniformly emitted after being reflected by the reflector.