This research aims to explain the strategies and efforts of an entities, as an object of international relations studies, to become an independent & sovereign state. Kosovo a dispute status over their independence and sovereignty has lead international factors to get involved within this issue. By using any tools of negotiation and agreement, an entity could break up an unilateral legal act of independence when the negotiation process could not be attained by the parties. Therefore, this issue upon Kosovo status over sovereignty as an unique phenomenon in International Relations Studies for an entities to attain independence and sovereign status. The data in this research is secondary data from books, website, and other sources. And the technique of analysis of this research is qualitative analysis techniques.