To　replace　the　four-electron　transferred　pathway　of　oxygen　reduction　reaction　(ORR)　by　two-electron　transferred　pathway　of　ORR　(2e(-)　ORR)　is　desirable　for　the　production　of　hydrogen　peroxide　with　added-value.　The　development　of　electrocatalysts　with　high　selectivity　toward　2e(-)　ORR　is　of　great　interest　but　it　is　still　a　challenge.　Here,　we　synthesized　the　graphene-supported　titanium　dioxide　nanocomposite　as　the　2e(-)　ORR　catalysts　by　a　combinative　process　of　hydrothermal　methods　and　calcination.　Due　to　the　synergistic　effect　between　the　graphene　with　high　conductivity　and　the　titanium　dioxide　with　defect　sites,　the　composite　TiO2/graphene　exhibits　the　improved　selectivity　(up　to　90%)　for　oxygen　converting　into　hydrogen　peroxide.