'Xie Gong's Regret' was a prose written by Bai Juyi, a writer of the Tang Dynasty. It told the story of Grand Tutor Xie. In the novel, Xie Taifu was a prestigious and moral character. He had both profound knowledge and superb political wisdom, as well as noble moral character and personal charm. The author created his image by describing the words, deeds, and attitudes of Xie Taifu. For example, the novel described in detail Xie Taifu's knowledge and cultivation. He was able to calmly deal with political crises, and his insights were unique and wise. At the same time, the author also described the family life of Xie Taifu to show his kindness and love, making his image more plump and three-dimensional. In addition, the author also used a comparison technique to set off the image of the Grand Tutor Xie. For example, through the description of other officials and rich people, the novel highlighted the noble quality and unique status of Xie Taifu. At the same time, the author also deepened the image of Xie Taifu by comparing his past and present. In summary, the author had created the image of Xie Taifu through various means, including knowledge, moral character, family, status and other aspects, making him a noble figure with both status and personal charm.