Oil　contamination　and　industrial　organic　pollutants　emission　have　been　a　serious　problem　affecting　the　ecological　and　residential　environment.　Membrane-based　separation　shows　great　application　prospect　due　to　its　low-cost,　environmental-friendly　and　easy　operation.　Therefore,　the　development　of　efficient　oil-water　separation　membranes　is　highly　desirable.　Herein,　a　fabric　filter　with　superwettability　was　prepared　by　coating　urchin-like　fluorinated　covalent　organic　frameworks　(COFs)　on　fabric,　which　was　well　utilized　in　filtering　immiscible　oil-water　mixture　and　surfactant-stabilized　water-in-oil　emulsion　driven　only　by　gravity　for　the　first　time.　The　as-prepared　COF　fabric　filter　(defined　as　fabric@u-FCOF)　possessed　many　outstanding　properties,　including　superhydrophobicity　with　the　water　contact　angle　of　approximately　151.6°,　satisfactory　resistance　for　alkaline,　acidic　and　saline　environments,　as　well　as　superior　mechanical　durability　under　harsh　conditions.　Because　of　the　super-micropore　of　fabric@u-FCOF　and　the　nanopore　in　the　COF　coating,　the　obtained　fabric@u-FCOF　exhibited　excellent　performances　in　terms　of　separation　efficiency　and　permeability,　in　which　the　oil　flux　was　up　to　16964　L·m−1·h−2　and　separation　efficiency　for　the　mixed　o-dichlorobenzene/water　was　higher　than　99.4%.　In　addition,　the　fabric@u-FCOF　also　showed　excellent　self-cleaning　performance　due　to　the　micro/nano　hierarchical　structure　of　its　surface.　These　excellent　properties　make　it　an　ideal　candidate　for　applications　of　oil/water　separation　and　water　purification.　©　2023　Elsevier　B.V.