In this paper, It has been tried in short lines to draw the most important information about credit and lending in general, with a special emphasis on credit agreement on the legal aspect of the loan. In the moder economy, lending is an inevitable source of money, replacing the lack of own money. Credit is provided for private, natural persons as well as by legal entities, ie buisness entities. Because of high speed of development of the economy, there is a large circulation of money, and the supply of money, which makes the loan more accessible. A credit agreement is a formal legal trancaction that must be concluded in writing form. Credit agreement shold differ from loan contract. Credit agreeement was created from a loan contract Credit is a two- way relationship whereby both parties nees to be aware of their obligations. The debtor shold be aware that his obligations are to be fuilfilled on time as agreed and the creditor shold act as agreed and must noc have any hidden intentions and confuse the client with all the information he needs to make the right decision on enterin a credit relationship. The debtor is obliged to retur the borrowed principal incrased for a certain interest determined in the concluded loan agreement. There are various type of loans that are divided by purpose, by contry of origin, by maturity, ect. A credit relationship can also be terminated if the circumstances foreseen for it occur. There are also loans with currency clauses, which in Croatia have caused the so-called „ The Cause of Frank“.