The　paper　puts　forward　meta-requirement　method,　a　new　method　of　requirement　analysis　and　management,　for　the　features　of　large　trusted　software　systems.　First　of　all,　the　paper　introduced　the　definition　and　constituent　elements　of　meta-requirement　basing　on　other　previous　studies.　Then　the　paper　builds　meta-requirement　analysis　model　using　tree　structure　in　accordance　with　its　definition　and　constituent　elements,　and　identify　the　number　of　meta-requirements.　Finally,　the　paper　carries　out　correlation　analysis　between　meta-requirements　according　to　the　constituent　elements　of　meta-requirement.