Based　on　analyzing　software　quality,　the　model　provided　by　GB　/　T　16260.2　was　adopted　as　the　grounds　of　evaluation　index　system,　and　the　index　weight　was　determined　by　analytic　hierarchy　process　(AHP).　In　addition,　take　the　incompleteness　and　randomness　of　information　into　consideration,　the　evaluation　model　applied　with　Normal　Cloud　definite　weighted　function,　was　used　to　empirically　evaluate　and　research　the　relevant　software.