本文对玉米茎秆还田粉碎机的工作原理进行了分析;根据作业要求确定了机器的主要技术性能参数,进行了田间性能试验,并对试验的结果进行了分析. In this paper, the working principle of corn stalks returning to the mill was analyzed. The main technical performance parameters of the machine were determined according to the operation requirements. The field performance tests were carried out and the test results were analyzed.