[Abstract] At present, there is no unified evaluation standard for seismic performance design of reinforced soil structure and damage degree of reinforced soil structure after earthquake.In order to improve the theory of seismic performance design of reinforced soil structures, the deformation and energy of reinforced soil structures and the ultimate hysteretic energy dissipation are analyzed in this paper.Based on the indoor model test, the damage results of the model are calculated and the theoretical parameters of the model are determined.It is of certain significance to perfect the seismic performance design of reinforced embankment and to evaluate the damage after earthquake.