The invention discloses an LED light source device. The LED light source device is a bulb lamp, a candle lamp, a lamp tube or the like, and comprises LED light source particles having light rays with at least one color and a light emitting part having light emitting surfaces with different colors; the light emitting part comprises a main illumination light emitting part for emitting white light, and a scene illumination light emitting part for emitting light rays with colors; and the main illumination light emitting part and the scene illumination light emitting part synchronously emit light.