An elastic analysis of stress and deformation was performed for anisotropic rectangular plates of the single wall corrugated fiberboard (SWCF) supported by four edges under uniform loading. Relationships between maximum values for the deflection, support forces and stress components and parameters for the shape and the anisotropy of SWCF were discussed by this analysis. Obtained results are as follows.Maximums of the deflection and support forces of four edges for SWCF plates increase with increases of length Lb and width Hb in the machine and the cross directions (MD and CD). Maximum σkxmax of the normal stress in MD on the surface of the kraftliner (KL) for SWCF increases with the increase of Lb in the range of Lb/Hb 1.0, and maximum σkymax of the normal stress in CD increases monotonously with the increase of Lb. And σkxmax increases monotonously with the increase of Hb, and σkxmax increases with the increase of Hb in the range of Lb/Hb 1.8.Maximum τkxymax of shear stress increases monotonously with increases of Lb and Hb.σkxmax decreases remarkably with the increase of ratio R (=Ekx/Eky) at longitudinal elastic modulus Ekx in MD to modulus Eky in CD for KL, and σkymax increases remarkably with the increase of ratio R. And τkxymax increases with the increase of R in the range of R 0.2.