A female teacher who was formerly the head teacher of the advanced class. She is biased, sexist, and holds a strong dislike for Li Wenshu from the beginning of the school year. She believes girls are inferior at math and makes derogatory comments about female students. She tried to frame Li Wenshu for cheating and refused to listen to logical explanations. She is described as arrogant and difficult to control, and wanted Li Wenshu out of her class and even out of the school entirely.
