Diary of a Madman is Lu Xun's short story and China's first vernacular novel. 19 18 may 15 may published in new youth magazine. Including Lu Xun's collection of short stories "Scream". It consists of 13 diaries, which records the mental state and psychological activities of "madman", reveals the essence of a deeply totalitarian and authoritarian society that eats people, and shows the spirit of social struggle against centralization. Art is a symbol of the combination of realism and strategy. It is the first vernacular novel of modern literature in China.