This invention discloses one dialogue lining method and group communication system, wherein the method comprises the following steps: sending requires information to group exchange center by group terminal; group exchange center aligns line order according to reset rules to group terminal; group exchange center informs order to terminal. The said group communication system comprises the following parts: group terminal to send dialogue requires and to receive group terminal user order information; group exchange center to distribute line order to dialogue line according to the dialogue requires by certain rules. |