With　the　increasing　threat　of　terrorism　attack,　the　probability　of　explosion　inside　the　subway　is　very　large.　Reinforced　concrete　columns　are　the　main　supporting　members　of　subway　stations.　If　the　columns　of　a　subway　station　were　subjected　to　near-field　explosions,　their　damages　can　affect　the　safety　of　the　subway　after　explosion.　By　using　the　finite　element　method,　this　paper　established　a　coupling　＂explosive-air-concrete＂　model　and　verified　the　feasibility　of　the　model　through　experiments.　This　model　can　be　used　in　the　damage　assessment　of　subway　station　columns　in　terms　of　the　bearing　capacity,　by　which　the　damage　of　a　reinforced　concrete　column　can　be　divided　into　different　levels.　Furthermore,　the　effect　of　different　parameters　on　the　damage　and　bearing　capacity　of　the　subway　station　is　discussed.　The　results　demonstrate　that　the　stirrup　reinforcement　ratio　of　a　reinforced　concrete　is　the　key　factor　in　determining　the　column　damage　under　blast　loadings.　The　present　study　therefore　provides　a　key　reference　for　assessing　the　damage　of　subway　structures　after　terrorist　attack.