“A World Free of Nuclear Weapons”Conception and Regional Practice——Analysis Based on the Southeast Asian Nuclear-Weapon-Free Zone

A world free of nuclear weaponsis a political conception based on limiting nuclear proliferation, which strictly control and gradually destroyed existing nuclear weapons,and final totally eliminate nuclear to make international society return to a world without nuclear weapons. For more than half a century,a world free of nuclear weaponsconception plays an important role in shaping global politics security environment, cultivating the concept of peace,and promoting nuclear disarmament. Althougha world free of nuclear weapons is not achieved by now,nuclear free zone in the district level realized the conception in the certain significance. The Southeast Asia nuclear weapon free zone is the first nuclear free zone in Asia after the cold war in stern nuclear nonproliferation situation,which has played a positive role in easing Asia nuclear proliferation situation.