The necessity and usefulness of a thorough examination of the legality of humanitarian intervention under traditional international law is obvious. Following the analysis of customary law, the teachings of contemporary international lawyers, the relevant treaty stipulations, the doctrine of bellum iustum, the general principles of international law, and the ius ad bellumone may come to realize that a definitive conclusion on the issue simply cannot be derived, as both proand contraviews are verifiable, but neither is absolutely correct.