Holographic storage properties and Ultraviolet-Visible absorption spectra of LiNbO3:Fe:Hf crystals adoped with Hf(4 mol%) are measured and analysised.Ultraviolet-Visible absorption edges obviously shift to long waveleng.The ratio of ［Fe2+］/［Fe3+］ increases with the increasing of ［Li］/［Nb］,which results in the deceasing of diffraction efficiency,and improving response speed and sensitivity.Moreover,the ability of light scattering resistance decreased with the increasing of ［Li］/［Nb］.It is contributed to the change of Fe2+Li concentration in crystals.