Aluminum　alloy　members　are　widely　used　in　various　engineering　fields　because　of　the　light　weight　and　corrosion　resistance.　However,　the　existing　research　on　the　stability　of　the　aluminum　alloy　beam-column　with　web　openings　is　insufficient.　This　study　carried　out　the　eccentrically　compressed　tests　for　60　H-shaped　section　aluminum　alloy　perforated　members,　taking　the　opening　number,　opening　diameter,　slenderness　ratio,　and　eccentricity　distance　around　major　axis　as　main　variables.　The　tested　specimens　showed　obvious　lateral　buckling.　The　effects　of　web　openings　on　buckling　mode,　stability　bearing　capacity,　longitudinal　deformation,　lateral　deformation,　and　strain　development　of　the　member　are　studied.　The　influence　of　each　variable　on　the　mechanical　properties　is　studied,　which　provides　the　basis　for　design　of　the　structure　members.　Several　main　parameters　are　analyzed　in　depth　using　verified　finite　element　model.　Based　on　the　results　of　test　and　FEA,　the　design　method　for　lateral　stability　bearing　capacity　of　H-shaped　section　aluminum　alloy　perforated　members　is　proposed　with　reference　to　existing　specifications.　©　2024