The present invention relates to a measurement method of dynamic energy for electrical walk-substituting vehicle, which is to build up the 3D model of each component for the electrical walk-substituting vehicle, and to use computer-aided finite element analysis software for performing the dynamic simulation analysis and the grid construction for the model's rigid and flexible bodies of the steering mechanism, the transmission mechanism, and the bearing mechanism as well as the finite element analysis to obtain the mode shapes of vibration, the damping and the natural frequencies, and to use the mode shape analysis software for measuring by experiment the dynamic response of the vibration-exciting force on the steering mechanism, the transmission mechanism, and the bearing mechanism to obtain the mode shapes of vibration, the damping and the natural frequencies. The mode shapes of vibration, the damping and the natural frequencies obtained by both the dynamic simulation analysis and experimental measurement are compared and verified to design a plurality of barrier blocks according to the optimal result of the verification. The electrical walk-substituting vehicle is driven to move on the barrier blocks so as to generate vibration； and use the computer-aided finite element analysis software to perform the dynamic simulation analysis on the steering mechanism, the transmission mechanism, and the bearing mechanism of the electrical scooter to obtain the mode shapes of vibration, the damping and the natural frequencies, and then drive the electrical scooter to move on the harsh road to generate vibration, and use mode shape analysis software to measure the dynamic responses on the steering mechanism, the transmission mechanism, and the bearing mechanism to obtain the mode shapes of vibration, the damping and the natural frequencies. The mode shapes of vibration, the damping and the natural frequencies obtained are compared and verified to design a plurality of barrier b
