In regional economies future development, the exchange relations and interdependence degree will be getting more and more intriguing because of day-by-day deepening of social division and day-by-day complex of economic structure. Implementing the supply chain strategy is seamless docking and the entire line penetration of many crosswise departments such as the transportation, the information, the trade, the commodity as well as the customs, the tax affairs, the finance, the insurance and so on. Information sharing platform construction in supply chain is very important to regional economies development. Firstly, this paper analyzes the value of information sharing platform, then it sets up technology mode of information sharing in regional supply chain. Finally, it puts forward platform design methods, demand and function modules.