Mode of production is the objective of Marxism political economics

First of all,this paper gives the definition of production capacity and relations of production.Production capacity reflects the relation between the Laborer and the nature under the division and cooperation of laborers,which is the process of producing,distributing, exchanging and consuming the value.The relations of production is the economic relations in the process of social production among people. On the basis of re-explaining production capacity and relations of production,this paper analyzes the objectives studied by the western economics and the Research on the Capital,and demonstrates the objective of the Marxism Political Economics is the mode of production.