To　improve　the　recoverability　of　carbon　nanomaterials　low-pressure　membrane　and　strengthen　its　sterilization　efficiency,　Graphene　oxide　(GO)　and　Polyethylene　glycol　(PEG)　non-covalent　functionalized　multi-walled　carbon　nanotube　(MWCNT)　were　loaded　on　the　0.45　μm　polyethersulfone　flat-sheet　membrane　to　prepare　the　GO-MWCNT　low-pressure　membrane　with　mix/insert　structure.　The　impact　of　GO-MWCNT　structures　on　membrane　fouling　was　further　studied　during　the　filtration　of　three　typical　foulants　(Bovine　Serum　Albumin,　BSA;　Humic　Acid,　HA;　Sodium　Alginate,　SA).　The　result　showed　that　pore　size　of　GO-MWCNT　membrane　distributed　in　more　concentrated　range,　and　the　pure　water　flux　of　GO-MWCNT　membrane　was　above　2.011　L•m-2•h-1•kPa-1,　which　belonged　to　the　operating　range　of　low-pressure　membrane.　In　the　filtration　of　Bovine　Serum　Albumin,　the　GO-MWCNT　membrane　with　mix　structure　(M　series)　had　a　better　efficiency　on　fouling　alleviation　than　the　top　insert　structure　(I　series).　In　the　filtration　of　Humic　Acid　and　Sodium　Alginate,　which　had　a　relatively　larger　molecular　size　compared　with　BSA,　the　GO-MWCNT　membrane　with　the　top　insert　structure　(I　Series)　had　a　better　efficiency　on　fouling　control　compared　with　the　mix　structure　(M　Series).　Comparing　with　GO　dosage　of　0.5　mg,　the　addition　of　0.2　mg　GO　could　effectively　alleviate　the　adhesion　of　protein　on　the　GO-MWCNT　membrane　as　it　did　not　greatly　change　the　roughness　of　membrane　surface.　Both　of　the　mix/insert　structure　of　GO-MWCNT　membrane　had　the　edge　cutting　and　sterilization　function　exerted　by　GO.　Besides,　the　dosage　of　GO　was　positively　correlated　with　its　sterilization　performance.　The　sterilization　effectiveness　of　the　mix　structure　(M　series)　GO-MWCNT　membrane　was　better　than　the　top　insert　structure　(I　series).　©　2021,　Science　Press.　All　right　reserved.