The use of biological and chemical technology in war is extremely dangerous and seriously violates ethics and international law. It will bring great disasters to mankind. Therefore, such an idea and practice must never be carried out. The use of biological and chemical weapons will cause a large number of innocent casualties, cause long-term environmental pollution and ecological damage, and pose a serious threat to the security and stability of the entire region and even the world. The international community has adopted a series of conventions and agreements, such as the Biological Weapons Convention, which clearly prohibit the development, production, storage and use of biological and chemical weapons. We should advocate peace, cooperation and dialogue, follow international norms and ethical standards, and strive to resolve disputes and conflicts through peaceful means, rather than seeking to enhance military capabilities in such an inhumane and extremely harmful way.