The aim of our study forms bank lending channel which defines the impacts of monetary policy on real economic activities by chancing loan supply of the banks. Changing loan supply by banks as a response to monetary shocks affects the accessibility of firms and household to the bank credit and this brings to important macroeconomic conclusions. In this study we conclude that Turkey’s economy largely provided the conditions for the efficiency of bank lending channel. In the analysis of monthly data within the period 2002:1-2014:12 was used VAR model. The empirical results of the study show that monetary policy through the bank lending channel play an important role on the real economy in the short term. In this study it is confirmed that functioning of a bank lending channel for Turkey’s economy.