The study of the four histories should focus on education. Four histories, also known as the new four histories. The study of the "Four Histories" should be promoted as a whole, focusing on the history of the Party, highlighting their respective characteristics, and explaining clearly why they are "able", "able" and "good" to Socialism with Chinese characteristics, so as to gain understanding, increase trust and respect morality.

In June of 20021year, the General Office of the Central Committee of the CPC issued the Notice on Publicity and Education of Party History, the History of New China, the History of Reform and Opening-up and the History of Socialist Development in the whole society, and made arrangements for the publicity and education of the "Four History".

The key pinyin is zhò ng din, and the basic explanation is: 1. [pressure; Key points; Key school: an important or major key school. 2. [Key]: refers to a plant whose main or important part or parts are the focus in landscape painting. 3. [Emphasis]: Emphasize; Focus on training.