This　paper　investigates　the　post-fire　performance　of　elliptical　concrete-filled　steel　tubular　(CFST)　columns　by　a　series　of　post-fire　axially-loaded　stub　column　tests　and　numerical　analysis.　The　test　parameters　included　target　temperature,　high　temperature　duration　time,　section　type　and　section　size.　A　post-fire　stress-strain　relationship　model　of　core　concrete　applicable　to　the　elliptical　CFST　column　was　proposed　according　to　the　test　data,　and　finite　element　analysis　(FEA)　model　of　the　elliptical　CFST　column　was　established.　Based　on　the　FEA　model,　the　temperature　and　deformation　developments,　failure　mode,　stress　and　load　distributions　of　elliptical　CFST　col-umns　were　analyzed　and　discussed,　and　parametric　analysis　was　further　conducted　to　identify　the　key　influencing　factors　on　the　post-fire　ultimate　bearing　capacity　and　residual　bearing　capacity　index　of　elliptical　CFST　columns.　Finally,　a　simplified　formula　was　proposed　to　calculate　the　post-fire　residual　bearing　capacity　index　of　elliptical　CFST　columns.