By using the Finley,Wilkinson,Francis and Kannenberg models,the yield stabilities of tartarian buckwheat in Liangshan Prefecture in 2006 were analyzed.The results indicated that the yield performance of " 7-2" and " 6-12" were high and stable,and the adaptability in environment was wide.The yield of " 7-3" was highest,but the stability was a little worse than those of " 7-2" and " 6-12".However,the yield of " 6-14" was instable and low.