Photocatalytic　removal　of　tetracycline　(TC)　from　the　wastewater　is　of　great　value　in　the　chemical　and　environmental　engineering　field.　Here,　we　introduced　a　facile　one-step　method　for　the　synthesis　of　BiOBr/Bi2WO6　heterojunctions　by　using　cheap　CTAB　as　the　Br　source.　We　showed　the　possibility　of　our　method　to　fine-tune　the　content　of　BiOBr　in　the　produced　BiOBr/Bi2WO6　by　simply　changing　the　dosage　of　cetyltrimethylammonium　bromide　(CTAB),　providing　a　platform　for　the　delicate　tuning　of　the　visible-light　absorbance　ability　of　the　composites.　With　a　suitable　heterojunction　structure　of　BiOBr/Bi2WO6-0.2,　it　exhibited　an　ultrarapid　photocatalytic　activity　towards　TC　(20　mg·L−1),　with　a　competitive　removal　efficiency　of　88.1%　within　60　min　and　an　ultrahigh　removal　rate　of　0.0349　min−1.　It　could　also　be　robustly　recycled　for　at　least　5　cycles　with　slight　removal　efficiency　loss.　We　demonstrated　that　this　exciting　photocatalytic　performance　was　due　to　the　highly　decreased　recombination　of　photoinduced　electrons　and　holes　on　our　composites　by　constructing　this　heterojunction　structure,　and　the　resulting　[rad]OH　and　·O2-contributed　to　the　effective　degradation　of　TC　to　CO2.　©　2022　The　Chemical　Industry　and　Engineering　Society　of　China,　and　Chemical　Industry　Press　Co.,　Ltd