Based on existing research and theory, this paper propose a new method of numerical simulation to improve the measurement accuracy of the bead thermistor and make up for the shortages of the traditional solutions. 本文基于现有的研究和相关理论,提出采用数值仿真的方法,以弥补传统修正方法的不足,提高珠状热敏电阻的探测精度。