Money laundering is a process by which some people render or try to render a legal appearance to some profits obtained illegally by criminals who, without being compromised, will afterwards benefit from the respective incomes. In this context, the issue of money laundering, comprising a wide spectrum of directions, namely: the main landmarks regarding the appearance of a€ dirtya€ money and its laundering; the money laundering mechanism which mainly involves its A) the placement the initial movement of money, in order to change its form or place and to place it outside the authoritiesa€ coverage area of applying the law. For the incomes in cash which are permanently cashed, there are valid the first techniques used by the mafia groups in 1920 in the USA. Illegal money is mixed with money legally obtained from businesses which involve cash receipts. B) Stratification (or investment) represents the second stage of money laundering in which the money circulates within different companies, corporations and financial institutions, physically, by deposit or electronic transfer. One aims to physically move the money to other entities in order to separate it from its illegal source in an attempt to disguise its origin. In most of the cases, the first concern after committing the basic infraction is to transfer money abroad. The basic rule is that the person whose funds have to be transferred should not assume this risk. At the international level there are networks of professional couriers who take over the transfer action and provide the delivery of money abroad, at the established place and then its integration, respectively the return of clean money to the offender in order to be used as legally obtained money; regulations regarding money laundering, at international level (Convention from Vienna, Recommendations of the International Financial Group - GAFI 40 + 8 Special Recommendations regarding Terrorism Financing, European Union Directives) as well as at the national level; essential characteristics of the activity to prevent and fight against money laundering in Romania, which is mainly the responsibility of the National Department for Money Laundering Prevention and Control - ONPCSB, as well as the financial analysis of the activity to prevent and combat money laundering in Romania within 1999-2011, identifying the specific typologies of money laundering; the connection between money laundering and terrorism financing.