In Romania, a bank-customer term is punctually (for a brief period) built and not for long term. The customers are looking for the best alternative, especially for a crediting product. The customer-bank relationship should be built in time and, firstly, should depend on the way in which the bank has succeed to be responsible for every client needs payments, bills, banking transfers, banking deposit, credits, cards etc. In the advanced countries, a customer prefers working with the same bank his entirely life. On thr other hand, the bank-customer must learn how to protect himself in the relationonship with all kinds of banks.