Photocatalytic　water　splitting　has　been　identified　as　a　promising　solution　to　tackle　the　current　environmental　and　energy　crisis　in　the　world.　However,　the　challenge　of　this　green　technology　is　the　inefficient　separation　and　utilization　of　photogenerated　electron-hole　pairs　in　photocatalysts.　To　overcome　this　challenge　in　one　system,　a　ternary　ZnO/Zn3In2S6/Pt　material　was　prepared　as　a　photocatalyst　using　a　stepwise　hydrothermal　process　and　in-situ　photoreduction　deposition.　The　integrated　S-scheme/Schottky　heterojunction　in　the　constructed　ZnO/Zn3In2S6/Pt　photocatalyst　enabled　it　to　exhibit　efficient　photoexcited　charge　separation/transfer.　The　evolved　H2　reached　up　to　3.5　mmol　g-1h-1.　Meanwhile,　the　ternary　composite　possessed　a　high　cyclic　stability　against　photo-corrosion　under　irradiation.　Practically,　the　ZnO/Zn3In2S6/Pt　photocatalyst　also　showed　great　potential　for　H2　evolution　while　simultaneously　degrading　organic　contaminants　like　bisphenol　A.　It　is　hoped　in　this　work　that　the　incorporation　of　Schottky　junctions　and　S-scheme　heterostructures　in　the　construction　of　photocatalysts　would　lead　to　accelerated　electron　transfer　and　high　photoinduced　electron-hole　pair　separation,　respectively,　to　synergistically　enhance　the　performance　of　photocatalysts.　©　2023　Elsevier　Inc.