For understanding elementary composition of distiller′s grains to determine its value, nutrient content of dis-tiller′s grains were measuredand evaluated its nutriology. Moreover, distiller′s grains were compared with many feedstuffs such as grape slag, beet pulp andwheat straw. Results indicated that three types of material concluding crude protein, crude fat and crude fiber accounted for 64.99%of total dry matter of distiller′s grains. In 13 amino acids contained, essential amino acid accounted for 67.56%of total amino acids; 15mg of vitamins B1 as well as 1.8 mg of vitamins B2 were contained in per kilogram of distiller′s grains; In addition, there were abundant minerals such as copper, iron, zinc and so on in distiller′s grains. Results above showed that:both variety of nutrients and content in distiller′s grains conformed to requirements of national standard of feed raw materials. It had good economic benefit to develop products such as fodder based on distiller′s grains.