In　this　scenario,　a　ternary　type　of　novel　Sm2WO6/ZnO　incorporated　on　GO　(SWZG)　nanocomposites　were　synthesized　by　the　ultrasonic-assisted　hydrothermal　route　and　confirmed　by　various　characterization　techniques.　The　diffraction　peaks　obtained　from　Powder-X-ray　analysis　reveals　good　crystalline　nature　of　as　preparedSWZG　composite.　Scanning　Electron　Microscopereveals　the　red　algae　like　the　hexagonal　structure　of　SWZ　composition　an　elongated　form　on　the　graphene　oxide　sheet.　The　Transmission　electron　spectroscopy　reveals　the　confirmation　of　algae　like　structure　of　Sm2WO6　and　ZnO　in　elongated　form　on　the　surface　of　the　graphene　oxide　sheet.　The　elemental　composition　and　the　oxidation　state　of　C,　Zn,　O,　Sm　and　W　were　confirmed　by　X-ray　Photoelectron　Spectroscopy　analysis.　The　charge　separation　efficiency　of　the　photogenerated　electron-hole　pairs　in　SmW,　SmWZ　and　SmWZG　was　confirmed　by　photoelectrochemical　measurements.　SWZG　catalyst　shows　superior　photocatalytic　activity　towards　the　degradation　of　Ciprofloxacin　(CIP)　and　Methylene　blue　(MB)　with　the　efficiency　of　96.92　&　98.24　%　within　90　and　25　min.　In　Reactive　Oxidative　Species　study,　photogenerated　holes　and　superoxide　radicals　are　the　main　reactive　species　in　the　CIP　and　MB　degradation　process.　Besides,　the　stability　and　reusability　of　the　catalysts　were　confirmed　by　the　recycle　test.　In　the　CIP　degradation　pathway,　the　reaction　intermediate　(7-amino-1-cyclopropyl-6-fluoro-2-hydroxy-4-oxo-1,4-dihydro　quinolone-3-carboxylic　acid　(m/z　278.07))　were　elucidated　by　Gas　Chromatography-Mass　Spectroscopy　analysis　and　a　feasible　degradation　pathway　was　also　proposed.　Finally,　the　ternary　SWZG　composite　would　be　a　promising　candidate　for　the　degradation　of　organic　pollutants.