Youth is the future of the motherland, the hope of the nation, and the new force to achieve the second centenary goal. At the celebration of the 100th anniversary of the founding of the Communist Party of China, Xi Jinping issued a call for the younger generation to increase their ambition, backbone and confidence to be Chinese, and earnestly shoulder the important task of realizing national rejuvenation. The great Party building spirit with the connotation of “adhering to the truth, adhering to ideals, fulfilling the original aspirations, assuming the mission, not afraid of sacrifices, fighting bravely, being loyal to the party, and living up to the people” as an advanced culture has provided abundant spiritual nourishment for the cultivation of newcomers of the times. Standing at a new historical starting point, we must deeply understand the profound connotations of the great Party-building spirit, focusing on what kind of youth to train in the new era, for whom, and how to train young people. From the aspects of strengthening education and guidance, focusing on practice and strengthening institutional guarantee, we should educate and guide young people to build a firm foundation for the value ideal of realizing the Chinese dream of the great rejuvenation of the Chinese nation and the value pursuit of permanent struggle for the happiness of the people.