This study aimed to reveal the international liability resulting from violating the international agreements, which is Jordan is considered as one of the countries joining it which banned the use of weapons causing fatal damages destroying the environment in its all components (air, water, and soil), and threatening the human life, causing physical distortions and genetic distortions very risky. This study depends on the descriptive analytical research method through describing the study problem, analyzing the legal text for the international agreements using the comparative method when it is necessary to benefit from the international court’s decisions relating to the international liabilities when using this kind of weapons, ending with conclusions to enrich and benefit the topic of the present study. The topic of the study will be addressed through showing what are the internationally banned weapons, the agreements organizing them which restricts or banned their manufacturing, storing, and using them even against the enemy and the international liability resulting from violating them, and role of the countries accredited them, and the international society in presenting this liability in front of the international courts, compensations for the damage caused by using kind of weapons in case of approving the countries liabilities for using such weapons. The study reached that the reason for banned the un-traditional weapons in the armed conflicts due to its severe nature and catastrophic effects.