Abstract: The Communist Party of China has always been the firmest promoter and practitioner of patriotism since its founding for a hundred years. The CPC's patriotism has produced a strong cohesion, mobilization, incentive and inspiration effect, and it continuously creates a huge spiritual advantage in the great practice of leading and uniting the people of all ethnic groups to realize the Chinese dream. During the revolutionary period, the patriotism was combined with Marxist belief to produce the majestic revolutionary driving force; during the construction period, it was combined with socialist practice to present a great potential for development; during the reform period, it is combined with the socialism with Chinese characteristics to burst into strong vitality. In the great changes that the international community have not seen in a century, and the CPC's patriotism is combined with new Cosmopolitanism to make the national rejuvenation radiate new vitality.