This article briefly analyzes the problem of DeHeng appliance company in the aspect of management at present, and analyzes the problems produced in the whole supply chain, combining the disadvantages of DeHeng appliance entering goods, saving goods and selling goods system, and finally get the conclusion that it is urgent to build up information-based management system for entering goods, saving goods and selling goods . The author designs a system for entering goods, saving goods and selling goods in accordance with the actual situation of Deheng company. The system carries out some parts of ERP function, attaining to cut the implementing cost, reduce the implementing risk, speed up implementing progress and increase the repay of investment .During the development of the system, the author focuses on the overall design of function mold and the development of merchandises sale mold. This system can be mainly applied to the management of selling information, the management of entering goods information, the management of storage information and comprehensive statistic.