In　order　to　further　study　the　performance　of　ultra-high　performance　concrete　(UHPC)　structures　under　seismic　conditions,　three　UHPC　short　columns　confined　with　high-strength　reinforcement　were　tested　alongside　one　UHPC　short　column　confined　with　normal-strength　reinforcement　and　one　reinforced　UHPC　short　column　confined　with　carbon　fiber　reinforced　polymer　(CFRP).　The　results　show　that　high-strength　reinforcement　improved　the　ductility　and　energy-absorbing　ability　of　the　UHPC　columns.　In　addition,　high-strength　reinforcement　only　made　a　marginal　difference　to　stiffness　degeneration　but　did　contribute　to　the　specimen＇s　initial　stiffness;　both　high　axial　loads　and　small　shear　span　ratios　accelerated　stiffness　degeneration.