A triple white light sources and triple filters projector includes a light guiding device; a triple filters formed with a red, green and blue filters set three sides of the light guiding device; a triple white light sources set said three sides of the light guiding device to generate white light beams with sequence, wherein the triple filters located between said triple white light sources and the three sides of the light guiding device, and the white light beams become red, green and blue after passing the triple white light sources; a digital mirror device panel having a plurality of mirror elements each being controlled so as to reflect light fed from said triple white light sources, an image signal being fed into the digital mirror device panel; and lens positioned in the reflected light path from the digital mirror device panel to project image.