"Reform and opening up is the only way for the development and progress of contemporary China and the only way to realize the Chinese dream." A key move: "promote the reform and opening-up in the new era to go more steadily and further." enter the lush Qianhai Stone Park in Shenzhen. A huge stone like "sailing" is engraved with the words "Qianhai". Overlooking from here, the beaches in the past are now full of vitality: the skyscrapers rising from the ground are constantly rewriting the skyline, witnessing that this "special zone in the special zone" has become a "bridgehead" for the new era of reform and opening up. Highlight the main line of system construction, and promote the system in all aspects to be more mature and finalized. In November 2013, the Third Plenary Session of the 18th CPC Central Committee, which is of epoch-making significance, adopted the decision of the CPC Central Committee on several major issues of comprehensively deepening reform, and put forward the general goal of comprehensively deepening reform for the first time - to improve and develop the socialist system with Chinese characteristics, and promote the modernization of the national governance system and governance capacity. It has the courage to "break" and the responsibility to "establish". In October 2019, the Fourth Plenary Session of the 19th CPC Central Committee specially studied and made a decision on the major issue of "upholding and improving the socialist system with Chinese characteristics, and promoting the modernization of the national governance system and governance capacity", which defined a timetable and a road map for promoting the more mature and finalized systems in all aspects. The party's leadership system, the people's ownership system, and the socialist rule of law system with Chinese characteristics have built the system Atlas of socialism with Chinese characteristics and laid the institutional foundation of the "rule of China". To transform the institutional advantages into governance efficiency by leading the reform of organizational mode -- to run the party's leadership through the whole process of reform. In December 2013, for the first time in the history of our party, the central leading group for comprehensive deepening reform, a leading body specializing in reform work, was set up at the level of the Party Central Committee, and was changed to the Central Committee for comprehensive deepening reform after the 19th National Congress of the party. Since the 18th National Congress of the Communist Party of China, the CPC Central Committee has held more than 60 meetings of the central leading group for deep reform and the Central Commission for deep reform. It has deployed a series of major reform issues, integrating point and area, making overall planning and taking into consideration, and promoting the system construction to form an overall force. In February 2018, the CPC Central Committee deployed to deepen the reform of the party and state institutions, which is considered to be a major symbol of China's political system reform in the new era. The economic system reform has been constantly improved, the political system reform has been steadily promoted, the cultural system reform has been innovated and developed, and the social system