This　paper　analyzes　the　overall　structure　and　construction　status　of　the　current　government　information　catalogue　system,　and　points　out　the　problems　of　data　cross　repetition　in　the　actual　application,　and　then　designs　the　information　resources　of　distributed　management　metadata　through　the　combination　of　block　chain　technology　and　information　resource　catalog　management　technology.　The　directory　system　is　a　new　generation　of　information　resource　directory　architecture　based　on　block　chain　technology,　which　has　the　characteristics　of　distributed　maintenance,　real-time　update,　power　and　responsibility　traceability,　and　security　and　reliability.