The paper discusses the issues concerning the challenge of Iraq War on the international rule of law and unlawful use of armed force in contravention of the Charter of the United Nations, studies the situation to apply international humanitarian law in conflicts of an international character.

International wars are one of the important manifestations of international relations,and war and use of force are important regulated objects of international law.

The use of force is always an effective way to settle the dispute.

"Shooting someone dead on sight" refers to the act that policemen use deadly force or the death caused by policemen\'s use of force.

On the illegal use of IP address in LAN;

The illegal use,toxicity effect,toxic clinical symptom and synthetic management of the governent for Phenobarbital illegally used were reviewed detailedly in this paper.