Sun Yat-sen was a great figure who stood at the forefront of the times in the 20th century. He launched and led the bourgeois democratic revolution, ended China's feudal autocratic rule, and pushed away the barriers that prevented China from becoming a modern country; he He proposed and advocated the "Three People's Principles", paid attention to issues of nation, civil rights and people's livelihood, and pioneered the realization of China's political democratization; he insisted on saving the country through industry and was committed to transforming a feudal agricultural country into a "socialist" industrial power, building China's The blueprint for future economic modernization; he inherited advanced culture, worked hard to use modern civilization to cleanse the filth of feudal ideology, promoted the modernization process of Chinese traditional culture, and made important historic contributions to the great rejuvenation of the Chinese nation.