In order to investigate the infrared extinction performance of nickel-plated graphene and explore the best formulation， nickel-plated graphene was prepared by the redox and chemical plating methods. The influence of various factors on the extinction performance of nickel-plated graphene was analyzed by designed orthogonal experiments with the infrared decay rate as the evaluation index， and the optimal formulation was determined. The infrared transmittance of nickel-plated graphene was measured in a smoke-screen chamber test. The average mass extinction coefficient of nickel-plated graphene was calculated by linear fitting according to the “Lambert-Beer” law. The results showed that the optimal process parameters for the preparation of nickel-plated graphene were： c（NiSO₄·6H₂O）=20 g·L^-1， c（NaH₂PO₂·H₂O）=24 g·L^-1， c（C₆H₅Na₃O₇·2H₂O）=10 g·L^-1， c（NH₄Cl）=30 g·L^-1， pH=8-9， and plating temperature of 65 ℃. The nickel-plated graphene prepared under the optimal conditions exhibited good infrared extinction in both mid- and far-infrared wavelengths. The average mass extinction coefficients of the nickel-plated graphene in the infrared bands of 3-5 μm and 8-14 μm were 2.38 m²·g^-1 and 2.19 m²·g^-1， respectively. Compared with the modified graphene， the average mass extinction coefficients of nickel-plated graphene in the mid-infrared bands were improved by 30% and 35%， respectively， which have broader application prospects.