The Syrian crisis has led to a very important restructure of power and region of groupings. With the analysis that President Assad's government over meant is going to be toppled down very soon, Turkey supported the Syrian a position in a very strong way. After extension of the crisis, the Syrian Kurdish party (PYD) which is equivalence of PKK for Turkey took the power in northern Syria which is located closer to southern Turkish border. In this situation, there I S I L and Turkey began to keep closed eye on it and became passive. This led to termination of peace process in Turkey and in the meantime labeled Turkey as supporter of t ISIL. The authors of the paper believe that enjoying realism and ontology approach, the Turkish approach against the I S I L can be analyzed; it behavior that for the Turkish leaders is because of the absence of optimal options and security concerns.
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