修四库全书三十七年(1772)正月,乾隆命征集古今群书。十一月安徽学政朱筠条奏搜访校录图书中,提出从“永乐大典”辑录遗书,又提出“永乐大典”编辑缺少章法。乾隆提出:将来办理校辑“永乐大典”遗书成编时,著名“四库全书”(即经史子集四库)。此为修四库全书之由来。 Siku Quan repair thirty-seven years (1772) the first month, Qianlong ordered collection of ancient and modern books. In November, Anhui Academic Zheng Yun Zhu Yun went to search for school books, proposed from the “Yongle Dadian” memorialized suicide note, also proposed “Yongle Dadian ” lack of chapter law. Qianlong put forward: In the future for school editing “Yongle Dadian ” suicide note into a series, the famous “Sikuquanshu ” (that is, by the history of sub-library). This is the origin of the revised Si Ku Quan Shu.