Organizing production on orders is one important mode for small and medium corporations. In this mode, logistics and purchase are to be progressed on sale orders. To satisfy production demands of specific sale orders for zero stock is the goal of logistics and purchase. In this paper, the logistics & purchase procedure under order-driven is analyzed, with its integrated workflow model being built. The information model of logistics & purchase operation flow is designed in detail with UML method. The solution to main operation issues of logistics & purchase procedure management is discussed, with the system program hierarchy presented. This system has been implemented in an electric equipment enterprise and a distinct achievement is realized.