Water　pollution　has　caused　serious　water　shortage,　and　this　trend　becomes　increasingly　serious　in　the　world.　Therefore,　how　to　efficiently　access　water　resources　is　crucial　for　human　beings.　Considering　the　easy　blockage　problem　of　traditional　fog-harvesting　mesh,　we　used　the　fog　catcher　brushes　structure　to　avoid　the　problem　effectively.　Besides,　most　of　the　modified　coatings　on　fog-harvesting　materials　contain　fluorosilane,　which　is　expensive,　harmful　and　unstable　for　a　long　time　using.　In　addition　to　the　general　properties　of　dimethyl　silicone　oil,　hydrogen　methyl　silicone　oil　can　participate　in　a　variety　of　chemical　reactions　and　have　a　good　film-forming　performance　due　to　its　molecular　structure　containing　active　Si–H　keys　compared　to　the　similar　studies　about　the　oil-infused　coating.　Besides,　the　low　contact　angle　hysteresis　of　the　droplet　can　benefit　for　the　droplet　sliding　off　the　surface,　which　further　improve　the　fog-harvesting　efficiency.　In　this　paper,　mechanical　cutting　method,　water　bath　method,　and　spray　coating　method　were　successfully　combined　to　construct　slippery　＇fog　catcher　brushes＇　with　alumina　micro-needle　structured　surfaces　from　micro　control　to　macro　design.　Furthermore,　the　effect　of　wettability,　pattern　shape　and　pattern　size　on　fog-harvesting　performance　were　investigated.　Experiment　results　indicated　that　slippery　surface　benefited　for　the　fog　deposition　and　transportation　compared　with　the　superhydrophilic　and　plain　surface.　When　the　fog　droplets　passed　through　the　sample　with　10-teeth　arc-shaped　pattern,　it　would　fully　contact　the　surface,　and　only　a　small　amount　of　fog　droplets　escaped　from　the　surface.　With　the　adjacent　droplets　coalescing,　the　droplets　slided　off　along　both　sides　of　the　pattern,　then　the　contact　surface　decreased　gradually　from　the　top　to　the　bottom,　so　droplets　could　transport　rapidly.　Analysis　demonstrated　that　the　slippery　arc-shaped　fog　catcher　brushes　with　10-teeth　had　a　good　effect　on　the　capturing　and　transporting　of　fog　droplets,　which　offered　a　way　to　rationally　construct　materials　with　enhanced　fog-harvesting　performance　from　micro　control　to　macro　design.　©　2021　Elsevier　Ltd