Document Nouns of " Literature Family" include "Code Book", " Liber", "Decrees and Regulations ", "Ancient Books and Records", "Precedent Model", "Voucher", "Literature and Stratagem", "Contract","Articles of Law", "Allocution", "Original Records", "Six Codes"and so on, a total of 21 document nouns. They appeared very early and had a strong continuity and extensive content, but a low frequency of usage. They have a wide range of meanings, which are made of the comprehensive document nouns, the law document nouns, the voucher document nouns, the designated document nouns, the precedent document nouns and the allocution document nouns.