近年来国内外学者对割前脱粒收获工艺进行了大量的研究，但如何处理梳脱后仍站立于田间的禾秆，仍未能很好地解决。本文分析了禾秆处理的几种方案，研究了切割及放铺的合理工况，对于禾秆处理问题的解决具有积极的意义。 In recent years, scholars at home and abroad have done a lot of researches on the pre-harvest threshing harvesting process, but how to deal with the straw that still stands in the field after combing is still not well solved. In this paper, several schemes of straw treatment are analyzed, and the reasonable working conditions of cutting and laying are studied, which has a positive meaning for solving the problem of straw treatment.