A review is given on application of electrochemiluminescence(ECL) of Ru(bpy)2+3 subjected to capillary electrophoresis in pharmaceutical analysis,food analysis,and bioscience.The basic characteristics of ECL of Ru(bpy)2+3 subjected to capillary electrophoresis are briefed,and development in the applied research on ECL of Ru(bpy)2+3 subjected to capillary electrophoresis and combined with composites and microchip is introduced.Moreover,suggests are provided about the prospects of ECL of Ru(bpy)2+3 subjected to capillary electrophoresis.