It　is　very　important　to　design　excellent　heterojunction　structure　for　the　improvement　of　the　photocatalytic　performance.　In　this　study,　we　report　a　facile　approach　of　polymerizing　the　ultrathin　graphene　oxide　on　the　surface　of　the　MIL-88A(Fe)　to　form　MIL-88A(Fe)/grapheme　oxide　composite　for　enhancing　the　photocatalytic　efficiency　of　organic　molecules　degradation.　The　optical　grapheme　oxide　doping　content　in　MIL-88A(Fe)/grapheme　oxide　hybrid　is　determined　to　be　9.0　wt%,　which　increases　the　surface　area　of　the　MOFs　from　15.9　m(2)g(-1)　to　408.9　M(2)g(-1)　due　to　the　emerging　micropores,　and　the　corresponding　photocatalytic　rate　for　RhB　is　8.4　times　higher　than　that　of　pure　MIL-88A(Fe).　Meanwhile,　DMF-free　MOF-based　heterostructure　could　avoid　secondary　contamination　in　the　photocatalytic　application　process,　and　the　degree　of　RhB　removal　is　maintained　at　about　100%　after　the　five　cycles　of　the　reaction.　Integrating　the　related　electrochemical　analysis　and　the　active　species　trapping　experiments,　the　decisive　factors　for　the　improved　photocatalytic　efficiency　of　MIL-88A(Fe)/grapheme　oxide　may　be　the　unique　structural　advantages　of　ultrathin　grapheme　oxide　sheets,　compact　and　uniform　interface　contact,　more　adsorption　sites　and　more　reaction　sites.　This　work　provides　a　novel　sight　for　preparing　high-efficient　and　environment-stable　photocatalysts　by　designing　the　surface　heterojunction　structure.