Zheng Zhen pointed out in the third issue of the Journal of Humanities in 2021 that Weber and Marx have great differences on the spirit of capitalism, and the focus of the problem lies in the different understanding of the concepts of greed and abstinence. Weber's ideas have a profound impact on the development direction of Western capitalist theory in the 20th century. However, his ideas about the spirit of capitalism may be one-sided because of his value position. Only by returning to the ideological dialogue between Marx and Weber can we better clarify the face of the spirit of capitalism and re-examine the impact of the concept of "greed" on capitalism It is of great significance to the study of capitalism.