Abstract: Based on the research of agriculture bureau and the center of the soil fertilizer in Mangshi, this paper combs the utilization condition of crop straw, and then analyzes the insufficiency of crop straw utilization selectively, furthermore, it discusses how to improve the utilization efficiency of the straw resources so as to promote the development of the comprehensive utilization of straw; on this basis, starting from actual situation in Mangshi, this paper puts forward related suggestions for the goal of developing ecological agriculture so as to provide certain reference basis for better and faster development of comprehensive utilization of straw in Mangshi.