Abstract: In 2008, many organized crime groups or group related evil force were eliminated. As we fight against the crime, we should ensure the rights of the ringleader in the crime proup by the The principle of legality. According to the criminal law in our country, the ringleader should bear the responsibility of the whole crime group. But the all crimes made by the crime group are not clarified clearly in some situations, such as the member’s action exceeding the plan, one ringleader succeeding another, and taking place the mistake between the members.