Teishi's attractive personality can be felt even today through the lively description in the "The Pillow Book," written by her lady-in-waiting (993-Teishi's death), Sei Shonagon.
正暦四年頃から定子の死去まで彼女に仕えた女房・清少納言が著した随筆『枕草子』は、生き生きとした筆致で、彼女の人格的魅力を今日に伝えている。