Abstract: The contents of protein, lysine and fat in 209 varieties of foxtail millet ( Setaria ialica Beauv. ) in Shanxi Province were analyzed in this paper. The results indicate that a significant difference in their contents exists between the varieties. The contents of protain, lysine and fat in most varieties are 10.00-12.99%, 0.220-0.279% and 4.00-4.99%, averaging 11.45 ±1 .43%,0.240±0.031% and 4.48 ±1.85% respectively. Their average contents in middle Shanxi are the highest, reaching 13.31±1.31%, 0.271±0.027% and 4.97±0.69% respectively. Moreover, there are a lot of high quality materials with high protein, lysine and fat contents, for example, Dai Qinggu, 7465, Daizhou Yellow, 7421, etc. There is a close interrelation among protein, lysine and fat; and high contents of protein, lysine and fat can be probably incorporated in the same genotype. But a negative correlation is significantly shown between protein and the percentage of lysine in protein.Therefore, the content percentage of lysine in protein should not be used when high lysine content breeding target is determined. Instead, the percentage of lysine content in dry weight ought to be adopted. A negative correlation is shown between protein, fat and lysine .while the main characteristics of plant have importance in the following order, growth period dura-tionnumber of seedsseed weightplant height1000 seed weightlength of the main ear

Key words: Millet, Albumen, Grease, Shanxi