The invention provides a solid-state light source light-emitting device which is characterized by comprising a first laser light source, a polarization beam splitter, a wave plate, a first light condensation element, a first wavelength conversion device, a dichroscope, a third-color light generation part and a light condensation part. The solid-state light source light-emitting device has the advantages of being high in brightness, small in optical expansion amount, high in color rendering index, uniform in light spot, long in service life, high in efficiency and the like. The solid-state light source light-emitting device can be applied to systems requiring high illumination intensity and small optical expansion, such as entertainment lighting systems, projection systems, automobile lighting systems, medical lighting systems, searchlighting lighting systems, field operation lighting systems, navigation lighting systems, portable lighting systems and the like.