The　high　rate　of　charge　carrier　recombination　greatly　limits　the　photocatalytic　activity　of　graphitic　carbon　nitride　(g-C3N4).　In　this　contribution,　body　center　cubic　indium　tin　oxide　nanoparticles　(ITO　NPs)　as　electronic　pumps　are　directly　formed　on　g-C3N4　via　a　facile　one-pot　method.　The　hydrogen　production　rate　of　Pt/ITO/g-C3N4　is　3.3　times　as　high　as　that　of　Pt/g-C3N4　under　visible　light　(λ　＞　420　nm)　irradiation.　The　excellent　photocatalytic　hydrogen　evolution　performance　should　be　attributed　to　the　close　contact　of　well-dispersed　ITO　NPs　with　g-C3N4　in　the　prepared　ITO/g-C3N4　and　in　situ　formation　of　Pt　onto　ITO　NPs,　leading　to　accelerated　photogenerated　electron　transfer　from　g-C3N4　to　Pt　through　ITO　pumps　for　hydrogen　generation.　In　the　present　work,　we　successfully　demonstrate　a　high-performance　Pt/ITO/g-C3N4　system　for　visible　light　hydrogen　evolution,　and　the　essential　role　of　ITO　NPs　as　the　electronic　pumps　for　efficient　photogenerated　electron　transfer　could　be　informative　for　designing　efficient　systems　for　solar　hydrogen　generation.　©　2018　Elsevier　Ltd