Analyzing the process and the information isolated problems of the information technology application in complicated product manufacturing, and the urgent requirement for the enterprise information integrated plan. Combining with the enterprise practice, it promotes the overall idea for the information integrated plan and implement based on merging information technology and industrialization for the complicated product manufacturing, and the major statement is focused on the key technical contents and examples of the data management plan, the BOM based business information data related model, the system integrated data related definition and the standardization "data from source" management.