Abstract: Hinggan League is one of the main grains producing areas in Inner Mongolia.The crop straws are important renewable biological resources in this region,and their annual total yield was around 6.3 million t.Combining with the storage amount and resource allocation features of crop straws in eastern Inner Mongolia,the utilization status of crop straw resources in Hinggan League was analyzed.Furthermore,in view of the problems in crop straws utilization in semi-agricultural and semi-pastoral areas,the suggestions of establishing the exemplary base for circular economy based on comprehensive utilization of crop straw resources and using the crop straws according to the local conditions were put forward,in hoping to provide supports for the sustainable development of animal husbandry industry in Hinggan League.