loan is a form of credit activity in which banks or other financial institutions lend monetary funds at a certain interest rate and must return them. Banks put the concentrated money and monetary funds out through loans, which can meet the needs of society to expand reproduction and promote economic development.
safety, liquidity and efficiency are the fundamental principles of commercial banks' loan operation. 1, loan security is the primary problem faced by commercial banks; 2. Liquidity refers to the ability to recover the loan within a predetermined period of time or realize it quickly without loss, so as to meet the needs of customers to withdraw their deposits at any time; 3. Efficiency is the basis of the bank's continuous operation.