Lu Xun's Diary of a Madman reveals the "cannibalism" nature of feudal ethics through the image of a persecuted madman and his self-description, and shows the author's resistance to China's feudal culture with feudal ethics as its main connotation. It also shows the author's profound sense of repentance. From the standpoint of radical "revolutionary democracy", the author deeply reflected on China's culture, and at the same time expressed his deep concern and indignation for China and even the future of mankind.

Lu Xun (188 1 September 25th-19361October19), formerly known as Zhou Zhangshou, later renamed Yushan, later changed to Yucai, "Lu Xun" is his1. A famous writer, thinker and democratic fighter, he was an important participant in the May 4th New Culture Movement and the founder of modern literature in China. Mao Zedong once commented: "Lu Xun's direction is the direction of the new culture of the Chinese nation."

Lu Xun has made great contributions in many fields, such as literary creation, literary criticism, ideological research, literary history research, translation, introduction of art theory, introduction of basic science and research on ancient books collation. He had a great influence on the development of China's social ideology and culture after the May 4th Movement, and enjoyed a high reputation in the world literary world, especially in the fields of Korean and Japanese ideology and culture. He is known as "the writer who occupied the largest territory on the East Asian cultural map in the 20th century". ?