Definition of the governance cost of network organization and analysis of Porter Model lays a foundation for the further integration of network organizing operation in formulating a framework for the assessment of network organization governance costs.

The corporate governance structure of Japan is a model that has its own characteristic which formed in the specific time .

Through comparing the cost structural differences among airlines in China and some other successful,typical low cost carriers(LCCs)in USA and European countries,this paper argues that the cost structure of the airlines in China still has room for reduction.

Hierarchical structure of product cost model which integrates product structure tree, cost structure and product design process is proposed, where the parameters affecting the cost estimation of each part and assembly are embedded into the product structure tree to facilitat.