Abstract: From the trade of the advanced manufacturing mode and the change of organization, the conception of optimization organization unit is defined, which applies Socio-Technical System, modern organization management and organizational economics synthetically. The mathematical programming model of optimization organization unit is built by quantifying the cost of technique, manpower and organization. This model is subject to the interaction between the technical system and social system. Then the mode of network organization design based on the optimization organization unit is given. The mode improves the methods of team and network organization design. It can achieve the coordinated optimization of socio-technical factors in organization, and make the organization have both dynamic reconstruction and stability.

Key words: optimization organization unit, organization design, optimization model