The slogans of the new culture movement are "Mr. De" and "Mr. Sai", which are democracy and science.

19 15, Chen Duxiu founded Youth Magazine, advocating democracy and science, which started the new culture movement. Cai Yuanpei pursues the policy of "inclusiveness and a hundred schools of thought contend" academically. The leaders of the New Culture Movement are Chen Duxiu, Li Dazhao, Hu Geng and Lu Xun. New Youth and Peking University became the main positions of the New Culture Movement. The New Culture Movement advocates democracy and science, and opposes tyranny, ignorance and superstition. Advocate new morality and oppose old morality; Advocate new literature and oppose old literature. The slogan is democracy and science. The advanced elements, represented by Li Dazhao, vigorously promoted Marxism and added new content to the New Culture Movement.

The failure of the Revolution of 1911 made the advanced intellectuals realize that in order to truly save the country, they must carry out an ideological revolution. Logo: Chen Duxiu founded "New Youth" (formerly known as "Youth Magazine", the second issue was renamed "New Youth"). Main leaders: Li Dazhao, Hu Shi, Lu Xun, Chen Duxiu, etc. Contents: ① Early stage: advocating scientific democracy and opposing autocracy, ignorance and superstition; Advocate new morality and oppose old morality; Advocate new literature and oppose old literature. (2) Later period: When China's advanced elements publicized the victory of the October Revolution in Russia, they invariably turned their eyes from the west to Russia. Promote Marxism. Main position: New Youth Activity Base: Peking University. Banner: the spirit of "democracy" and "science" ("Mr. De" and "Mr. Sai"): Fired fiercely at Confucianism and declared "Down with Kongjiadian". Historical significance: It shook the dominant position of feudal thought and was an unprecedented great ideological emancipation movement in the history of China. It has promoted the development of natural science in China. It laid the ideological foundation for the outbreak of the May 4th Movement. The socialist ideas spread in the later period were accepted by the advanced intellectuals in China, and they saw the great strength of the working class in China. It has created conditions for the spread of Marxism in China. It inspires people to pursue democracy and science and explore the truth of saving the country and the people.