Abstract: The handwritten copy of Nan Ci is a big anthology of ci poetry, edited by Xiya Zhuren (Mr. West Hill) in the Ming Dynasty. The original copy is now kept in Hotel Okura, Okura Cultural and Financial Group, Tokyo, Japan. This thesis makes a brief introduction about the outline and main characters of the copy, quotes comments by Qing Dynasty scholars from the copy which have few opportunities to be seen, makes a study about the collection and copy, the editor, the time of copy, and the documental values of Nan Ci. The writer points out that the handwritten copy of Nan Ci is valuable and rare from the perspective of relics, literature or documents.