Li Qingzhao's essay "Preface to the Story of the Stone" introduces the process of the couple collecting and sorting out the cultural relics of the Story of the Stone, the content and writing process of the Story of the Stone, and recalls their worries and gains during the thirty-four years after their marriage. It is tactfully tortuous, meticulous and concise, and the language is concise and smooth. This is a masterpiece with fresh style and elegant dictionary, and its main feature is the word "true". Li Qingzhao poured her sincere feelings for her husband, Zhao Mingcheng, with a flowing style of writing, and described her experiences and heartfelt feelings with touching brushstrokes, which made readers happy, sad, fascinated and sad. Jin Shi Lu is a masterpiece to study the life of Li Qingzhao and his wife. It records 2000 kinds of Jin Shi rubbings collected by them from Xia, Shang, Zhou to Sui, Tang and Five Dynasties, with a catalogue of 10, 20 volumes of syndrome differentiation and treatment, and a postscript of 102. Because Zhao Mingcheng himself had written a preface for this book before his death, which was listed at the beginning of the book, Li Qingzhao made this "preface" and attached it to the back of the book, so it was called "preface". Jin Shi Lu is an academic work compiled by Li Qingzhao's late husband Zhao Mingcheng. When Li Qingzhao wrote "Postscript", her husband had been dead for six years. After many twists and turns in his personal life, he had mixed feelings and could not help writing this famous "Postscript".