In The Accumulation of Capital, Rosa Luxemburg started from the aspect of capital accumulation to explore the source and internal mechanism of capitalism’s crisis and make an etiological diagnosis to it. First, the book defines capital accumulation and crisis, and stresses crisis is a special external phenomenon and only an element in the reproduction cycle of capitalist reproduction. Based on the definition, the book evolves from the analysis of the phenomena of crisis to capital accumulation, the essence of crisis, discovering capital demand shortage is the source of crisis. More