本文提出了一种用于分析电磁散射的多层Ｚ缓冲器技术，它使计算机图形学与电磁散射分析相结合，能有效地解决复杂物体电磁散射分析中的隐藏面消除问题和多次散射计算的射线跟踪问题，从而使复杂物体电磁散射的分析和计算更为精确，而且使多次散射计算的射线跟踪速度加快．计算机模拟计算结果表明，提出的新技术是有效的．本文的多层Ｚ缓冲器技术可应用于其它研究领域． This paper presents a multi-layer Z-buffer technique for analyzing electromagnetic scattering that combines computer graphics with electromagnetic scattering analysis to effectively solve the problem of hidden surface elimination and multiple scattering calculations in the electromagnetic scattering analysis of complex objects Of ray tracing problems, so that the analysis and calculation of electromagnetic scattering of complex objects more accurate, but also to multiple scattering calculation of ray tracing speed. Computer simulation results show that the proposed new technology is effective. The multi-layer Z-buffer technique in this paper can be applied to other research fields.