The　government　performance　appraisal　has　been　a　difficult　problem　so　far,　this　paper　proposes　one　method　to　government　performance　appraisal　by　the　files　analysis　through　the　E-government　system　in　information　age.　Through　the　E-government　system,　the　superior　government　can　gain　Local　government　macro　economic　development　and　the　social　development　data,　can　also　obtain　local　government　social　activity　files,　it　can　prevent　false　data　in　the　local　government　performance　and　correct　the　method　to　government　performance　appraisal　by　combining　the　society　development　data　and　the　files　analysis,　and　it　may　also　analyze　the　government　relative　achievements,　explain　the　relationship　between　local　economy　development　tendency　and　the　government　conduct.