With　the　Chinese　government　promoting　the　＂Double　Carbon＂　policy　and　high-economic　development,　environmental　regulation　and　economic　efficiency　research　has　become　a　hot　topic.　However,　existing　research　focuses　on　industrial　economic　efficiency,　ignoring　logistics　industry,　which　has　high　emissions　and　energy　consumption.　Based　on　provincial　panel　data　from　China＇s　Yangtze　River　Economic　Belt　from　2009　to　2020,　this　paper　uses　a　super-SBM,　which　includes　undesirable　outputs　and　is　combined　with　the　Global　Malmquist-Luenberger　(GML)　index,　to　measure　and　analyze　the　regional　logistics　efficiency.　Panel　regression　and　threshold　regression　models　are　used　to　test　the　impact　of　formal　and　informal　environmental　regulations　on　logistics　efficiency,　rather　than　the　common　single　perspective.　The　results　indicate　that:　(1)　Environmental　regulation　has　a　significant　impact　on　the　overall　logistics　efficiency　of　the　Yangtze　River　Economic　Belt　during　the　study　period,　and　there　is　a　problem　of　regional　development　incongruity.　The　maximum　difference　in　logistics　efficiency　between　provinces　is　0.5637.　(2)　The　impact　mechanism　of　formal　and　informal　environmental　regulations　differs,　and　each　percentage　of　informal　environmental　regulation　has　a　promotion　effect　on　logistics　efficiency　that　is　0.0827%　higher　than　that　of　formal　environmental　regulation.　(3)　Formal　environmental　regulation　has　a　single　threshold　effect　on　logistics　efficiency,　whereas　informal　environmental　regulation　has　a　double　threshold　effect,　demonstrating　that　overregulation　can　have　the　opposite　effect.　Based　on　different　regulatory　tools,　this　paper　makes　pertinent　recommendations　to　promote　the　coordinated　development　of　the　logistics　industry＇s　economic　and　environmental　benefits　in　the　Yangtze　River　Economic　Belt.