Main objective of this thesis is to discuss the method of money laundering used in Pakistan. We will discuss all this with help of a Processes and systems of banks in Pakistan. Money laundering has traditionally been reflected a process by which criminals endeavor to fleece the backgrounds and possession of the proceeds of their criminal / illegal accomplishments. It is conducted to comprehend the problems related to unbalanced growth in the deposit of commercial banks, due to money laundering. There are many studies undertaken by various researchers. However, issue is needed to analyze the problem face by commercial bank due to money laundering. To understand the process of money laundering. To find the various risks to the commercial banks regarding the money laundering. To study the current trend of money laundering in banking sector, non-banking financial institutions and Non-financial businesses/professions. To study the law that prevents and restricts the money laundering in banks.