《古今图书集成》是我国古代的一部百科全书。在我国现存的古代“类书”中,它是最大的一部,存卷为一万卷。虽然明代的《永乐大典》有二万二千多卷,可惜现在残存仅有三分之二,同时,《大典》不是按类书规格来编辑的,它还有“丛书”性质,通常把一整部书取其书名第一字,按这个字的韵目收了进去。而《集成》是按“类书”性质编纂的,其它为唐代的《艺文类聚》一百卷,宋代的《太平御览》一千卷,《册府元龟》一千卷,自然也就不能与《集成》匹敌了(见付表1)。《集成》编录在上列类书 “Ancient and modern book integration” is an ancient encyclopedia in our country. It is the largest one in our country’s ancient “class books”, and there are ten thousand volumes in it. Although there were more than 22,000 volumes of the Yongle Grand Ceremony in the Ming Dynasty, it is a pity that only two-thirds of the survivals now exist. At the same time, the Grand Ceremony is not edited according to the specifications of the books. It also has the nature of a series of books, Book take the first word of its title, according to the rhyme collection of this word into it. The “integration” is based on the “class book” nature of the compilation, the other for the Tang Dynasty “Arts and Crafts” 100 volumes, the Song Dynasty “Taiping Yu Lan” 1000 volumes, “Yuan Fu Yuan Tu” 1000 volumes, nature It can not match with “integration” (see Table 1). “Integrated” catalog in the above categories