The traditional anti-sliding sheet pile wall is prone to irreparable damage and deformation under strong earthquake. Engineered Cementitious Composite (ECC) has high tensile strength and tensile strain hardening characteristics, and is superior to conventional reinforced concrete in terms of restricting crack development, bending capacity and energy dissipation capacity. But the seismic performance of ECC anti-sliding sheet pile wall supporting structure is not clear yet. Therefore, shaking table tests are carried out on ECC pile-sheet wall (ECC pile-sheet) and RC pile-sheet wall (RC pile-sheet) to compare their dynamic response and failure characteristics. The results show that the seismic performance of ECC pile-sheet is better than that of RC pile-sheet. Under the same ground motion amplitude input, the dynamic response of the slope under ECC pile-sheet is less significant than that under RC pile-sheet, and the ECC pile-sheet with the same compressive strength can ensure the stability of the slope under the action of higher ground motion. ECC pile-sheet and RC pile-sheet show obvious elastic and elastic-plastic stages under dynamic action, and the dynamic responses of the two pile-sheet are consistent when the ground motion is small. When the amplitude of ground motion is large, the acceleration amplification coefficient of slope under ECC pile-sheet is 0.77-0.9 times that under RC pile-sheet. The soil pressure distribution of ECC pile-sheet and RC pile-sheet is "bimodal", and the peak of soil pressure behind RC pile is about 5 times that of ECC pile. The pile top residual displacement and magnitude of the two pile-sheet are distributed in exponential form, and the residual displacement of RC pile sheet is twice that of ECC pile-sheet. In the failure stage, ECC pile-sheet only has several fine cracks on the fixed part, RC pile-sheet is of bending failure characteristics, steel bar and concrete slip obviously, and the displacement is uncontrollable.