This　study　aimed　to　evaluate　the　mechanical　properties　and　PTFE　(Polytetrafluoroethylene)　coated　membrane　strength　reduction　coefficients　of　the　original　cable-membrane　connection　of　a　double-layer　orthogonal　cable-membrane　structure.　First,　two　kinds　of　membrane　connections　applicable　to　the　double-layer　orthogonal　cable-membrane　structure　were　introduced.　Subsequently,　considering　the　influence　of　the　membrane　configuration,　36　loading　specimens　were　designed　to　carry　out　tensile　experiments　on　the　cable-membrane　connection.　By　examining　the　experimental　results,　the　failure　mechanism　of　the　connections　was　revealed.　The　connection　failure　loads　at　different　membrane　angles　and　configurations　were　tested,　and　the　corresponding　load-displacement　curves　were　obtained.　Furthermore,　the　factors　affecting　the　connection　mechanical　properties　were　analysed,　and　the　relationship　between　membrane　stress　and　strain　was　deduced.　Finally,　the　membrane　strength　reduction　coefficient　corresponding　to　the　proposed　connections　was　calculated,　and　the　suggested　value　was　given　to　provide　a　basis　for　designers　applying　the　connection.　The　results　show　that　the　mechanical　properties　of　the　connection　are　affected　by　a　variety　of　factors,　including　the　membrane　angle,　membrane　configuration,　connection　method,　and　material　properties.　The　reduction　factors　of　the　different　connections　are　as　follows:　the　clamping　connection　factor　is　0.35,　the　biting　connection　membrane　with　long　ridges　and　short　ridges　is　0.25,　and　the　biting　connection　without　reinforcement　membranes　is　0.2.