Abstract: An extension bargaining system is presented. It combines Bargaining with electronic business. And it advances strategic bargaining theory with intelligence. I uses fuzzy control method to Search for others’ Shell (Jieke) and gate of Shell (Jieke). At last, in above process, we bring out the program chart to computerize the extension bargaining system and the explanation of each step was given.

Key words: electronic business, bargaining theory, extension bargaining, gate of Jieke exploration