Abstract: The study aimed to explore different parts of conjugated linoleic acid ( CLA) content from 4 months Sunite sheep, Small tailed han sheep and Bahan F2 lamb.Selection of the above three varieties of each the 6 sheep, each sheep in the longissimus muscles, biceps femoris, arm triceps three parts were taken to be samples with the three parallel specimens from each part, respectively, a total of 162 samples to be detected by gas chromatography.By comparing the CLA content in different varieties and different parts of the lamb, to compare the nutrition level of different varities and different parts of mutton, determine the impact of different varities and parts of lamb in the CLA content of the mutton.The results showed that there was a certain effect of varities and parts on CLA content of mutton.The conjugated linoleic acid as the standard evaluation of mutton nutrition value, meat of Sunite was the better than meat of Small tailed han sheep and Bahan F2 lamb.The arm tricep of Sunite was best.