A　new　electrochemiluminescent　detection　system　containing　a　modified　and　electrically　controlled　heating　carbon　paste　electrode　was　developed.　Ru(bpy)(3)(2+)　was　immobilized　in　multi-wall　carbon　nanotube/Nafion　composite　film,　the　film　was　then　coated　on　the　surface　of　carbon　paste　electrode　and　the　temperature　of　the　electrode　could　be　controlled　electrically.　The　tripropylamine　was　used　to　evaluate　this　ECL　detection　system　with　heating　electrode.　The　higher　sensitivity,　wider　linear　range　and　lower　relative　standard　deviation　were　obtained　compared　with　the　unheated　modified　electrode.