Lu Xun's works can be divided into four categories: 1. Fictions: "Scream","Hesitation","Morning Flowers","Wild Grass" 2. Prose: Diary of a Madman, The True Story of Ah Q, Canopy Collection, New Stories 3. Essays: Kong Yiji, Ah Chang and Shan Hai Jing 4. Poetry: Diary of a Madman, Weeds, etc. These works are all representative works of Lu Xun, reflecting his profound observation and criticism of social reality, with extremely high literary value and historical significance.