In th is paper, a m ethod of ex t ract ing variat ional info rm at ion f rom judgm en t m at rixes and fo recast ing the variat ion is discu ssed. It is them ain idea that w e can ex t ract variat ional info rm at ion by the m ethod based on the judgm en t m at rixes at differen t t im es, and fo recast the fu tu re judgm en t m at rix at nex t t im e. M eanw ile, the paper b rings fo rw ard a new m ean s to fo recast ing the variat ion by stages and f igu ring variab le judgm en t m at rix. A t the end, the m ethod is exp lained by an examp le.