The invention discloses a dynamic data inversion method and device, and the method comprises the steps of carrying out the static track geometric data detection on a track, and obtaining the waveforminformation of the static track geometric data; filtering the waveform information of the static track geometric data by using a high-pass filter to obtain the dynamic simulation waveform data; optimizing the high-pass filter to enable the phase characteristics of the high-pass filter to meet the linear phase conditions, and acquiring a transfer function of the dynamic analog waveform data; and filtering the transfer function result of the dynamic simulation waveform data by using a band-pass filter to obtain the inversion dynamic data. According to the method and the device, the static trackgeometric data and the dynamic data can be associated, the operation time is shortened, and the operation efficiency is improved.