2008 Crisis had negative effects both on developing and developed countries, and in order to minimize these effects, almost all of central banks changed their policies. Developing countries utilized from implementations such as interest corridor, ROM, required reserves and so to minimize the possible damages that were caused by excess liquidity, resulting from the decisions of developed countries. With this new point of view, macro-prudential policy measures, which were used time to time back then, but became more popular with 2000s and which aim to re-establishment of the financial stability, came to fore. According to TCMB- what is aimed with macro-prudential policies is to restrict the systemic risk from the financial system and economy. In this study, firstly, the concept of financial stability and then the structures and functions of macro-prudential policy instruments will be discussed. Also, some discussions about what kind of a mechanism can be developed and what role of monetary policy will be in this mechanism will be analyzed. Lastly, macro-prudential policies of TCMB after the 2008 crisis and the effects of the policies will be studied.