The corporate governance of the important issues for all local and international companies in our time, given that the financial crises that have suffered because of the global economy and has developed the concept of corporate governance within the priorities and focus systems and the laws of corporate governance in the world to limit the use of administrative power in not the interests of shareholders, And working to activate the performance of boards of directors of these companies, As well as strengthening internal control and monitor the implementation of strategies and identify the roles and powers of each of the shareholders and the Board of directors and executive management and stakeholders as well emphasize the importance of transparency and disclosure, The concept of corporate governance, Curriculum reform and a new mechanism of action that would establish the integrity of financial transactions put determinants serve public interests and rights of shareholders In the banking sector is increasingly important to use this mechanism, so the researcher to study the effect of the application of corporate governance in the reduction of administrative and financial corruption in the private banking sector in Syria, and concluded that most of the private banks to adopt the application of corporate governance, also concluded that the application of the principles of corporate governance has to do with moral and good in the reduction of financial and administrative corruption in these banks.