The　non-thermal　plasma　hybrid　technology　attracts　more　and　more　attention　in　the　field　of　air　pollution　control　because　of　its　better　VOCs(Volatile　Organic　Compounds)　decomposition　efficiency　and　higher　energy　efficiency.　However,　the　ozone,　NOx,　halide,　etc.　are　possibly　to　be　formed　during　the　plasma　process,　and　the　further　decomposition　mechanism　of　the　VOCs　is　lacking　by　now.　In　order　to　find　out　a　suitable　technique　to　remove　the　gas　pollutants　with　lower　energy　consumption　and　higher　selectivity,　in　this　study　the　self-made　composite　catalysts　associated　with　non-thermal　plasma　engendered　by　DBD　(Dielectric　Barrier　Discharge)　were　used　to　dispose　the　flowing　polluted　air　containing　toluene　vapor　at　atmosphere　pressure.　The　synergistic　effect　for　toluene　removal　was　evaluated　by　the　removal　efficiency,　ozone　concentration,　reactor　input　energy　density　and　energy　efficiency.　Based　on　the　GC-MS　and　FT-IR　spectra　analysis,　the　decomposition　mechanism　and　reaction　process　of　toluene　decomposition　were　discussed.　The　results　show　that　the　synergistic　technology　results　in　greater　enhancements　of　toluene　removal　efficiency　(about　99%)　and　energy　efficiency　(which　is　2.3　times　higher　than　that　of　only　using　non-thermal　plasma　technology　without　catalysts　associating).　Besides,　the　synergistic　technology　inhibits　effectively　the　formation　of　ozone　and　other　byproducts　during　the　plasma　process.　Therefore　it　shows　that　the　technology　proposed　has　a　wide　application　prospect.