"The Real "Das Kapital"-Real Marx Series Research No. 3" is a book based on my doctoral dissertation and published by the "Economic Daily" publishing house in May 2018. The book "Das Kapital: The Internal Contradictions and Development Trends of Capitalist Micro and Macro Production Subjects" is revised and expanded on the basis of the doctoral dissertation and the "Real "Capital"-Real Marx Series Research No. 3". The academic series of the College of Marxism of the University was published by China Social Sciences Press in May 2019, and the entire book has increased to 560,000 words.

The book provides a different interpretation of the research objects, research methods, logical starting point, and logical structure of "Das Kapital".According to the system, content and theoretical logic of "Das Kapital", the real research object of "Das Kapital" is the capitalist production subject, including the basic unit of social economy led by the corporate legal person-composed of the micro production main body and the sum of the micro production subject Macro production subject，and production relations are the research perspectives of "Das Kapital". Although "Das Kapital" starts from the manifestation of the main elements of capitalist society as commodities, the real logical starting point of "Das Kapital" is not commodities, but capitalist microscopic production entities. The logical structure of the three volumes of "Das Kapital" is as follows: The first volume examines the internal contradictions and development trends of the micro production subjects of the capitalist society based on a single capital; the second volume analyses the the contradiction and development trend  between the capitalist micro and macro production subjects , the third volume studies the internal contradiction and development trend of the capitalist macro production subject.

"Das Kapital" reveals that the development trend of the capitalist production subject is to realize the "community of free people", the entire human society becomes a community with the same interests.