类书,即分类汇辑历史文献资料之书。其捃摭群书,以类相从,‘区分胪列,靡所不载’,有似‘百科全书’。所辑录之诸书原文,分类排比,各具检索。我国第一部类书《皇览》,为三国魏文帝诏诸儒辑成,《隋书·经籍志》入子部杂家类。后类书品类群生,有类编、韵编、字编、数编、时编等各种形式分类及各种排比和检索方法。因其多采录经、史、子、集诸书中之事物、典故、语词、诗文,故四部分类颇难纳入。《崇文总目》立类书一类,明胡应麟主张类书入总集,以其为缀辑成书。《四库全书》以 Class books, that is, the classification of the history of the repertoire of the book. The group of books, to similar phase, ’distinguish between the column, the extravagant not contained’, there is like ’encyclopedia’. The books recorded in the original text, classification row ratio, with retrieval. China’s first category of books, “Emperor”, for the three Kingdoms Wei emperor Zhu Ru series, “Sui Shuji Zhi Zhi” into the Department of miscellaneous class. After class books group group, there are class, series, rhyme, word series, the number of series, such as various types of classification and classification and retrieval methods. Because of its multi-recording, history, sub-set of books, allusions, words, poetry, it is quite difficult to include four parts. “Chongwen Zongmu” set a class of books, Ming Hu Yinglin advocate class book into a total set, with its editing into a book. “Si Ku Quan Shu” to