The invention discloses a winding modal analysis method based on electric excitation and application and a verification method thereof. The winding modal analysis method comprises the following steps:step 1, selecting the electric excitation as an excitation mode to excite a transformer winding; Step 2, under different working conditions of the transformer, measuring to obtain an axial vibrationsignal of a transformer winding; Step 3, obtaining a vibration frequency response function of the transformer winding according to the axial vibration model of the transformer winding by using the axial vibration signal obtained in the step 2; and comparing the obtained vibration frequency response function with a vibration frequency response function of the transformer winding in a healthy stateto obtain a mechanical state of the transformer winding and realize modal analysis of the winding. The method is convenient for on-site implementation and application, and is convenient to operate compared with a mechanical excitation mode.