In this study, it has been tried to reveal the success levels of participation banking systems within the general banking system by giving examples in terms of the size of the participation banking system within the general banking system and the performance of the participation banking systems in terms of factors such as service diversity, numerical proportionality and dividend distribution since the establishment of the participation banking systems. . The interest-free banking system, which is called the participation banking system, came out of the idea stage in the 1970s and started to be implemented in Egypt for the first time in 1976. Private Financial Institutions, which were established in Turkey in 1983 with the Statutory Decree (Executive Decree), and Participation Banks with their new names, have shown rapid acceleration on a global scale and especially in Turkey in the last twenty years. Participation banking system in Turkey has shown a serious development especially after 2001 and has become competitive with commercial banks. The fact that participation banking systems were subject to the Banks Law with the amendments made in 1999 and 2001 and that participation banking systems had similar rights in the legislation with commercial banks had a significant impact. Key Words: Private Financial Institutions, Participation Banking, Savings Deposit Insurance Fund