Abstract: To study the seismic performance of unbuckling corrugated steel plate shear walls, three groups of specimens including vertical corrugation (U-CSPSW-1), horizontal corrugation (U-CSPSW-2) and flat steel plate (PSW-1) were designed and subjected to uniaxial reciprocating loading tests. The experimental results show that the U-CSPSW-2 specimen exhibits better performance in all indicators than the other specimens under uniaxial reciprocating loading. Its horizontal corrugated structure can slow down the stiffness degradation rate and has prominent post-stage load-bearing maintenance capacity. The U-CSPSW-1 specimen is slightly inferior to the U-CSPSW-2 specimen in terms of peak load and energy dissipation capacity but superior to the PSW-1 specimen. The PSW-1 specimen has low initial stiffness, with a peak load of only 289.34 kN.Its strength and stiffness degrade rapidly, and it shows the weakest energy dissipation capacity. Therefore, the unbuckling corrugated steel plate shear wall with horizontal corrugation has the optimal seismic performance and can be used as a key component of building seismic structures.