Abstract: In recent years, Xiuning County has seriously practiced the development of green agriculture. On the premise of ensuring the safety of grain production, it has carefully organized, strengthened guidance, highlighted the key points, identified the right hand,effectively promoted the zero growth of chemical fertilizer use, and achieved the reduction and efficiency of chemical fertilizer. This paper introduces the measures taken for the reduction and efficiency increase of chemical fertilizer in Xiuning County in 2021, the technical mode, the main practices and the results achieved for reference.