Turkey is Syria's closest neighbor who was directly affected by the Syrian war and Turkey has tried to make several foreign policies that support armed opsians to undermine the country's regime. In addition, Turkey has also long been making a series of military interventions with the intention of forming a line of demiliteration in Syria. The emergence of Kurdish forces which are Turkey's longtime enemy made them pressured to implement the military intervention. In this research, the descriptive analysis will be elaborated in several forms which are done by Turkey in forming the demilitarized line by apllying cross-border military intervention named Euphrate Shield Operations and Olive Branch Operations.