Genji-monogatari is Japanese literature of 11century. This study is analysis about calligraphy in\Genji-monogatari. Especially, the purpose of this study is to understand about calligraphy of Rokujono-\miyasudokoro. She was a master calligrapher in Genji-monogatari. She sent four letters to Gengi.\I examined the relationship between sentences of these letters and descriptions of Rokujo-nomiyasudokoro's\handwriting. I also examined nuances of ‘ yosiyosisi ’ and ‘ itarihukasi ’ in Genjimonogatari.\These words are keywords describing her handwriting.\The result of these examinations, I showed that combinations of contents of Rokujo-nomiyasudokoro's\letter and descriptions of her handwriting represented her complex mentalities.