As　social　environment　becomes　more　and　more　complex　and　corporation　competition　becomes　keener　and　keener,　risks　which　a　corporation　is　facing　also　become　more　and　more,　larger　and　larger,　and　more　and　more　serious.　So　corporation　risk　early-warning　is　getting　more　and　more　important　and　among　this　establishing　corporation　risk　early-warning　information　systems　(CREWIS)　is　most　important.　Establishing　mentality　and　framework　design　of　CREWIS　and　measurements　making　CREWIS　effective　and　efficient　are　mainly　presented　to　facilitate　CREWIS　and　improve　risk　early-warning　quality　so　as　to　escort　corporations＇　smooth　and　sound　development.