In order to resolve the concept of social necessary labor and its decisive factor for the commodity value, the data-standardizing method of production function is put forward to obtain the standardized mean production function.

Scientificallyrealizing the essence of Labor and the function of the Non-productive Labor in the forming process of Commodity Value is ex-tremely important, as this is theoretically and practically significant for fully understanding the true source of commodity value,maintaining the principle of .

In accordance with Marx s description of the fundamental principle of commodity value and value rules in his "Critique of Capital", and in reference to the findings by today s scholar in Marxism, we can try to form a Marxist mathematical model of value determination.

It unfolds a brand new perspective to review commodity values,an ecological perspective.

Contradictons and problems existing in the labor value theory of twofold character of labor,the theory of composition of the goods value,and the practices of labor market,can be solved through admitting that the work used in producing the labor force forms the new value of labor.

Observing from current practice of socialist market economy,at least four questions related to labour value need to be scientifically explained:Does service labour create value too?What role does mental labour play in creating goods value?What is the relation between supervisory work of private enterprises owners and the creation of value?Are all elements of production create goods value

This paper discusses the cost strategies in the light of Mark s theory of merchandise value, and holds that developing scale economy and range economy is an effective way to carry out the cost strategies in enterprises.