A state as one of International law subjects has rights and obligations based on international law. One of the international obligations of a State is to assist and protect the right of IDP's in its territory. If a State is inability and unwillingness to assist and protect the IDP's rights, it means the State has already violated its international obligation. In this condition, is the humanity assistance of international organization can be justified as an obligation that must be accepted based on international law perspective?. Consequently, the refusal to accept assistance can be classified as a violation of international law, and it raises state responsibility.