Abstract Owing to environment highly competitive, In order to reduce the cost or occupy market, the companies must seek the best new process or model to face this situation. Highly secret of Military Defence Industries is proprietary business in the domestic. The inbound process cannot satisfy requirements of user now. So, many opportunities of demand were lost. In recent years, the Defence budget deflated. How to use this geographic advantage¡H Not only sell the product, but also provide the more and best service. To cerate one position which cannot be replaceable. The research applies business process reengineering. Having two faults in current supply process of Military Defence Industries are¡G(1) It may restrict service to user.(2) It cannot control the conditions of product of using. When implement Integrated Logistics Support project, we cannot find the powerful point to link with user. Through the process reengineering thinking, we don¡¦t change the user organization process. Only change supplier the source of demand and the manufacturing & delivery planning. Apply Vendor Managed Inventory model, explicit objects can reach reducing supply cycle time. Improving the availability ratio of products. Implicit objects can control the conditions of products and real requirements of user. This information will also help to improve the quality of products and avoid put resource in wrong place.