By using curriculum theory,the paper analyzes three design dimensionalities of sequence,continuum and vertical relevance in vertical organization process of P.

Extension on Yang-Ng s Model of "Smithe-Coase":A Basical Model of Vertical Industrial Organization;

As an example of "enterprises + milk stations + farmers",the study gives a comprehensive analysis of vertical organizational relationship of dairy industry chain in real terms of economic,and points out the incompleteness of the vertical combination in dairy industry chain.

Study on vertical organizational relationship is the most concerned issue, the truth of which is the connection of the processes of pre-production, in-production and after-production and it is also the internal organic integration and complimentary mechanism between the formation of complete industry chains and the realization of the industry chains.