Abstract
while customers are becoming more and more personalization, it has practical meaning to develop an intelligent marketing system with the function of automatic interaction. In this paper, after analyzing the purchase decision process of customers, the primary interaction process between enterprise and customers in marketing are generalized and some special marketing function are encapsulated as the agent, thus marketing is regard as the cooperation process of various agents cooperating focus on demands. Based on that, a multi-agent based marketing cooperation system (MAMCS) is established and the agent ontology is designed according to JADE, finally the negotiation mechanism is built.