With　the　development　of　the　knowledge　economy　and　a　digital　society,　knowledge　and　information　become　the　most　basical　elements　of　the　production,　not　mention　the　Fujian　cross-strait＇s　cooperation　in　information　industry,　it　need　the　information.　So,　it　is　essential　to　build　information　platform　for　the　cooperation.　This　article　embarked　from　the　construction　goal　of　the　information　platform,　elaborated　the　construction　of　the　overall　idea　and　its　principle,　has　analyzed　the　influencing　factors　in　building　information　platform,　and　do　a　certain　amount　of　introduction　in　the　function　of　the　information　platform,　and　finally　the　post-maintenance　issues.