Abstract: Seven kinds(two groups)of magnesium-aluminum laminates with different processes were prepared by the double-temperature stage hot rolling method.The interface evolution and tensile properties were compared and studied.The relationship between the process parameters and the interface morphology and tensile properties of the laminates was analyzed.The results show that the laminates with four processes rolled at 350-450 ℃and 4-5 passes have better interface diffusion bonding and mechanical properties.Among them, laminates prepared with 4 passes and a total reduction of 71.4%have the best properties, the thickness of its diffusion layer reaches 13.1 μm, and the tensile strengths along RD and TD are 162.93 MPa and 194.98 MPa, respectively.The laminate prepared by 5 passes and a total reduction ratio of 64.3% has the smallest anisotropy and the thickness of its diffusion layer is 9.1 μm, and the tensile strengths along RD and TD are 170.82 MPa and 181.71 MPa, respectively.