To provide an electronic business negotiation system capable of totally supporting negotiations in distribution transactions from a producer to a wholesaler, from the wholesaler to retailers and up to delivery and settlement, allowing the producer, the wholesaler and the retailers to share useful information such as stock information, purchase plan information, commodity information, and delivery information, promoting collaboration among transaction parties and expecting maximum effects by minimum labor, cost and stock.

In the electronic business negotiation system, a retailer's terminal 3, a wholesaler's terminal 4, a producer's terminal 5, a system management terminal 2, and a delivery management terminal 6 can be connected to an electronic business negotiation server 7 through the Internet line 100. Various information such as commodity information, negotiation information, order information, adjustment information, stock information, shipment information necessary for distribution transactions can be stored in the server 7 and respective transaction parties perform transactions by sharing the various information through respective terminals.