The invention relates to a method for analyzing the impact on the accuracy of a capacitive-type voltage transformer from stray capacitance, and the method comprises the steps: constructing a capacitor network matrix; building a finite element simulation model of the capacitive-type voltage transformer with stray capacitance; extracting stray capacitance parameters according to a stray capacitance finite element simulation model and the capacitor network matrix; listing the capacitor network matrix according to the capacitor network matrix and the stray capacitance parameters; determining the actual transformation ratio of a capacitive voltage divider in the capacitive-type voltage transformer after the proximity effect of stray capacitance according to the listed capacitor network matrix; and determining an additional error caused by the stray capacitance to the capacitive-type voltage transformer according to the actual transformation ratio. According to the technical scheme of the invention, the method carries out the quantitative research of the proximity effect of stray capacitance, provides guide for the design of CVT electrical parameters, and assists the research and design of a CVT with higher precision and a higher voltage level.