The Three People's Principles are the principles and programs of the three issues of nationality, civil rights and people's livelihood put forward by Sun Yat-sen in the bourgeois-democratic revolution in China. With the different times, the content of the Three People's Principles is also different from the old one. The old Three People's Principles are the program of China's old democratic revolution. 1924 1 month, Sun Yat-sen accepted the suggestion of * * * producers and reinterpreted the Three People's Principles at the first national congress of the Chinese Kuomintang. Since then, the old Three People's Principles have developed into new Three People's Principles. The New Three People's Principles, including the three major policies of uniting Russia and the peasants and workers, and the anti-imperialist and anti-feudal program, were the political basis for the cooperation between China's * * * production party and the Kuomintang during the first revolutionary civil war.