Current　design　codes　do　not　endorse　the　use　of　ultra-high　strength　steel　and　concrete　materials　(Fy　＞=　690　MPa　and　f＇c　＞=　120　MPa)　for　concrete　filled　steel　tube　(CFST)　members.　This　paper　makes　efforts　to　address　this　gap　using　a　four-step　method.　In　the　first　step,　the　classification　of　CFST　members　based　on　material　strengths　and　tube　slenderness　ratio　is　introduced.　In　the　second　step,　an　experimental　database　comprised　of　805　ultra-high　strength　concrete　filled　steel　tube　(UCFST)　specimens　under　various　loading　conditions　is　compiled,　and　the　research　gaps　in　the　database　are　identified.　In　the　third　step,　the　possibility　of　extending　Eurocode　4　and　AISC　360-22　to　UCFST　members　are　evaluated　using　the　experimental　database.　Finally,　a　research　program　including　experimental　tests,　finite　element　(FE)　parametric　studies　and　new　design　equations　for　UCFST　rectangular　members　is　introduced.