半导体材料中费米能级随温度变化的规律是半导体导电性的中心问题，但费米能级与温度的具体关系复杂，参数 多，而且其中费米积分不是人为可以计算出来.本文通过复合辛普森数值计算法处理费米积分，借助于MATLAB 强大的矩阵 运算能力和GUI 界面设计功能，针对N 型、P 型和混合掺杂情况，设置GUI 界面的相关参数，演示费米能级和载流子浓度随温 度变化的规律，使学生在半导体物理课程学习中获得更直观和系统的学习体验，显著提高了教师课堂教学效率.

The Fermi energy level varies with the temperature is the central issue of the conductivity in the semiconductor materials. The relationship between the Fermi energy level and the temperature is complex，because it contains multiply parameters. Furthermore，in that relationship the Fermi integral can not be calculated manually.In this paper，we use the Simpson numerical method to deal with the Fermi integral，then take advantage the powerful matrix computing capabilities and interface design function of MATLAB software to set up a GUI interface.Specifically，we can set parameters according to the N-type，P -type and mixed doping under different circumstances，demonstrate the variation of Fermi energy level and carrier concentration with temperature. So that the students taking semiconductor physics course can obtain a more intuitive and systematical learning experience and teachers can also remarkable improve classroom teaching efficiency.