From the proof of the non - violent resistance and the refusal of conscience to the eight principles of the free and democratic people mentioned in the Law on Civilization, the thought of Rawls' justice war is gradually enriched and continuously developed. But the lack of persuasiveness of the condemnation of their conscience refused to take into account the fact that citizens were blinded by leaders, citizens' right to life, political situation and so on. And its duty of war on ordinary soldiers and civilians is also open to question, and the principle of non-combatant exemption is difficult to carry out in the case of child soldiers, prisoners of war and retaliation, and 'conscientious refusal' is ineffective.