一、四部法之衰退及其对后世的影响我国古代图书分类萌芽于先秦，成熟于西汉末年刘歆的《七略》。魏晋以后，由于文化学术之发展，佛教的传入，知识的分类产生了新的变化。《七略》分类体系逐渐不能满足需要。于是又在《七略》七经魏人郑默的《中经》，晋太荀勖和《中经新簿》 The Decline of One or Four Laws and Its Influence on Later Generations The classification of ancient Chinese books sprouted in the early Qin Dynasty and became mature in the “Seven Lips” of Liu Xin in the late Western Han Dynasty. After the Wei and Jin Dynasties, due to the development of cultural and academic studies, the introduction of Buddhism brought new changes in the classification of knowledge. “Seven Liao” classification system gradually can not meet the needs. So again in the “Seven Lost” seven by Wei Ren Zheng Mo’s “classics,” Jin Tai Xun 勖 and “Book of jingjing”