Sulfurous　iron　minerals　with　recovery　value　are　contained　in　a　lead-zinc　tailing　in　Fujian　Province,　China.　However,　the　sulfurous　iron　minerals　are　depressed　by　lime　in　the　early　lead-zinc　flotation,　therefore　it　is　necessary　to　use　appropriate　activators　to　improve　the　floatability　of　the　mineral.　The　property　of　flotation　foam　can　directly　reflect　the　quality　of　the　flotation　index.　The　addition　of　activators　can　also　change　the　properties　of　flotation　foam.　In　this　paper,　an　effective　activator　combination　was　selected　through　actual　mine　tests　and　foam　analysis.　The　mineralogical　study　of　the　lead-zinc　tailing　was　first　carried　out　through　chemical　multi-element　analysis　and　XRD.　The　flotation　tests　on　the　recovery　of　sulfurous　iron　ore　by　different　activators　were　carried　out.　Finally,　a　foam　scanning　analyzer　was　used　to　test　and　analyze　the　frothing　performance　and　froth　stability　of　the　slurry　under　different　activation　conditions.　The　results　showed　that　the　dispersion-activation　flotation　and　dispersion-combined　activation　flotation　can　help　to　improve　the　frothing　performance　of　the　slurry　and　improve　the　flotation　indexes.　At　the　same　time,　the　enhanced　activated　flotation　can　also　reduce　the　froth　stability　indexes　(FSI)　to　less　than　20　s,　and　the　reduction　of　the　froth　stability　can　help　to　improve　the　flotation　recovery.　For　each　activation　flotation　process　that　achieves　the　best　flotation　index,　the　frothing　performance　and　foam　stability　of　the　pulp　is　close　to　that　of　the　flotation　tests　index.