The historical intersection refers to the 19th to 20th National Congress. From the 19th National Congress to the 20th National Congress, it is the historical intersection of the goal of "two hundred years". It is necessary to build a well-off society in an all-round way and achieve the goal of the first century, but also to take advantage of the situation to start a new journey of building a socialist modern country in an all-round way and March towards the goal of the second century.