The clearer one knows, the more steadfast one will be in their actions. The core essence of "must adhere to the principle of putting the people first" is demonstrated. In November 2015, the 18th Central Political Bureau held its 28th collective learning session, focusing on the basic principles and methodology of Marxist political economy. The distinctive feature of "must persist in self-confidence and self-reliance" is evident. One of the most typical examples is the correct understanding and grasp of the characteristics and behavioral patterns of capital. In the history of socialist economic thought, Marx and Engels did not envision the possibility of developing a market economy under socialist conditions, nor could they raise the question of how socialist countries should treat capital; Lenin and Stalin led the socialist construction of the Soviet Union, and basically did not encounter the problem of large-scale capital development under socialist conditions, whether during the period of new economic policies or the highly centralized planned economic system development. We must adhere to the basic national conditions of China