19 18 At the beginning of this year, Lu Xun was the editor-in-chief of New Youth. In May, the first vernacular novel "Diary of a Madman" was published in the journal under the pseudonym of Lu Xun, which lashed out at the feudal system and ethics. Together with Kong Yiji, The True Story of Ah Q and other famous works, he compiled the first collection of novels, Scream, and at the same time wrote many essays which were included in Hot Air and Grave, becoming the founder of modern literature in China. In the May 4th New Culture Movement, Lu Xun stood in the forefront of anti-imperialism and feudalism.

1920, has taught the history of China's novels in Peking University and Beijing Women's Normal University. 192 1 may 4th new culture united front split, he created and edited second novels, prose poems, weeds, essays, organized literary groups such as Mangyuan Society, and published publications such as Mangyuan. During this period, he came into contact with Marxism–Leninism.

1In August, 926, Lu Xun went south to teach at Xiamen University. 1927 1 went to teach at Zhongshan university, Guangzhou, and began to establish close ties with the China * * * production party. 1April 2, 927, Chiang Kai-shek publicly opposed * * *, resigned angrily, went to Shanghai to edit publications such as Yu Si and Ben Ben, and began to change from an evolutionist to a class theorist. 1928 participated in the proletarian revolutionary literature debate initiated by the Creation Society and Sun Society, and combined with the reality of China's revolution and literary movement, put forward many incisive opinions. From 65438 to 0929, he edited the series "Scientific Theory of Art" and translated and published plekhanov's "On Art" and other masterpieces of Marxist literary theory. From 65438 to 0930, the editor-in-chief of Germination Monthly (later the publication of Left-wing Alliance) initiated the establishment of China Freedom Movement Alliance and China Left-wing Writers Alliance, arguing with "Crescent School", "Nationalist Literature", "Free Man" and "Third Man".

193 1 After Japan occupied the Northeast, Lu Xun wrote eight essays, including Two Hearts, Mobilizing the South to the North, Pseudo-Freedom Book and Quasi-Wind Moon Talk, which exposed the crimes of the Japanese invaders and the reactionary policy of the Kuomintang to "settle abroad first" and made great contributions to smashing the cultural "encirclement and suppression" of the Kuomintang.