Introduction to "The Heart of the Blue Blood": The Prosperous Years section mainly tells about the revolutionary spirit of the Liuji party members and cadres who led the people of Liuji to indomitable revolutionary struggle and active entrepreneurship in the new era, inspired by the "Communist Manifesto"; At the critical juncture of the life and death of the Chinese nation, the people of our country practiced the theory of the "Communist Manifesto" on the thrilling battlefield of China and promoted the glorious course of revolutionary development.