应用有限元方法建立下咽吻合口缝合因素的计算模型.通过“T”形和“Y”形缝合方式及不同的针距、边距变化的比较分析,证实了“T”、“Y”形缝合的交叉区为受力不均匀区域,易产生切口缝隙,影响愈合.选择针距3～4mm、边距3mm及交叉区采用交叉缝合.可以产生较好的应力分布.本文提示利用有限元方法可成功地模拟下咽吻合口的应力分布,为临床改善下咽缝合技术提供了力学方面的理论依据. The finite element method was used to establish the calculation model of the suture anastomosis sutures.T “T” and “Y” shape were confirmed through the comparison of “T” and “Y” Suture of the cross-zone for the uneven force region, easy to produce incision gap, affecting the healing.Select the pitch 3 ~ 4mm, 3mm and the cross-sectional cross-stitched cross section can produce better stress distribution.This paper suggests that the use of finite element method Which can successfully simulate the stress distribution of hypopharyngeal anastomosis and provide a mechanistic basis for the clinical improvement of hypopharyngeal suture technique.