"Yan Chi Biao·Qing Ping Sword" is a two-volume martial arts classic serialized by Gong Baiyu (Bai Yu) in "Truth, Goodness and Beauty Illustrated Magazine" in 1946-47. The novel takes the young knight Cui Ze as the protagonist. In the first volume of "The Wild Goose Winged Dart", he is learning martial arts and wandering alone in the world. On the way, he meets the knight-errant Yu Linglong (Lin Ping). Together with the three thieves from the Yellow River, he robs an official car. However, he is mistaken for attacking an official and is imprisoned. The Seven Heroes of Heshuo join forces. In the sequel "Qing Ping Sword", Cui Ze is injured and hides in the forest. He meets Lin Ping again and resolves their past feud. The two gradually fall in love, but they are caught in a triangular entanglement in which he and his cousin have long been engaged. The conflict between Jianghu friendship and family engagement is fierce. The plot of the book is full of ups and downs, including passionate rescue and brotherhood, as well as love-hate entanglements and chivalrous tenderness, demonstrating Gong Baiyu's narrative style of "chivalry moves people with love".