The purpose of this study is to explain the termination of diplomatic relations faced by Saudi Arabia and Qatar and to reveal what lies behind the events behind the termination of diplomatic relations that occurred. In this study, researchers conducted research from various legitimate sources to support this research. Like media online that broadcasts or preaches about it as well as supporting books to conduct this research. By analyzing the contents of an emergency from all sources; the findings show the following. First, diplomatic relations between Saudi Arabia and Qatar often experience friction. Second, Qatar's increasing economy is a source of concern for Saudi Arabia. In making this decision, of course, there is interest to be achieved by Saudi Arabia. The interests of defense and security are two national interests to be achieved by the government of Saudi Arabia.