Passbook, certificates and other cover paper for paper with appropriate stiffness and not easily broken (that is, the paper has to be enough to wear), but also has the strong weatherability, moderate pH value, because the passbook difference from general books and magazines, they do not have long-term preservation and resist oxidation, ultraviolet light, and the acid-base composition in the air caused by the infringement, also cannot guarantee long-term looks over without being damaged. Our book cover paper adopts pure Nordic long fiber wood pulp, through the computer palette finishing (no secondary dyeing). Because the hot pressing process, the paper pattern transition nature, exquisite, paper, fiber is not damaged, is used to make ideal material on the cover of the passbook, id, passport, etc.