《永乐大典》卷5770“沙、长沙府十九、诗文”有4800字出处不明的引文,研究者根据《舆地纪胜》与《永乐大典》这两部书的独特编纂体例,判定其即《舆地纪胜》今本所缺失的卷54“潭州”中有关长沙的诗与“四六”。这有助于《永乐大典》编纂的研究与《舆地纪胜》的辑佚,同时也纠正了《永乐大典》方志辑佚中的一些失误。 “Yongle Dadian” volume 5770 “Sand, Changsha House ”, “poetry ” has 4800 words unknown source, the researcher according to the “yin yongji” and “yongle ceremony” these two books unique compilation system, It is concluded that the “poetry of” and the “four or six” of Changsha in Volume 54 “Tanzhou This is helpful to the compilation of ”Paradise Letters“ compilation and the collection of ”Geographical Wonders of the World“, meanwhile, it also corrected some mistakes in the lost records of the ”Falungong Lectures".