Due　to　the　large　daily　passenger　flow　in　subway　systems,　the　fire　might　cause　a　great　deal　of　life　losses　once　the　fire　protection　system　is　not　working　effectively.　Whether　the　smoke　control　system　which　designed　following　the　prescriptive　codes　can　work　effectively　in　real　fire　cases　is　doubtful　because　of　the　complex　structure　of　the　subway　system　and　uncertainties　of　the　fire.　Fire　hazard　assessment　based　on　performance-based　analysis　would　be　necessary.　Fire　hazard　assessment　for　one　Beijing　subway　station　under　different　smoke　control　strategies　and　fire　scenarios　would　be　carried　out　in　this　paper,　the　optimal　smoke　control　strategies　would　be　determined,　and　some　improved　suggestions　would　be　provided　for　the　poor　systems.　The　results　would　be　useful　for　the　smoke　control　system　operation　in　practice.