The core of manufacturing enterprise informatization is to improve the enterprises’ information ability, so as to reduce the uncertainly faced by enterprises. So all means and methods that can improve the information ability, such as infrastructure construction, reform of organizational structure, transformation of management philosophy and reengineering of business process, should be inclusive in informatization construction, that is, comprehensive informatization construction. It can be seen from the figure that the construction mode of manufacturing enterprise comprehensive informatization includes the various elements of manufacturing enterprise informatization, covers various links, personnel and levels, and runs through the whole process of production, operation and management. The outstanding feature of such mode is ‘whole’.