A bank is an enterprise dealing in money, and its existence is conducive to raising and financing social funds. It is a very important member of financial institutions. We can see the business of the bank. On the one hand, it collects idle monetary funds and small monetary savings in society by absorbing deposits, and then lends them to people who need to replenish money in the form of loans. Here, banks act as intermediaries between lenders and borrowers. On the other hand, banks handle the payment and settlement of money for commodity producers and businessmen, and also act as payment intermediaries. In short, banks play the role of credit intermediaries. The basic functions of commercial banks include: credit intermediary, payment intermediary, credit creation and financial services. Bank securities are a part of social security and a branch of social security industry. As far as prevention means are concerned, it includes three categories: man-made prevention, entity (material) prevention and technical prevention. Technical prevention is a new preventive measure gradually formed by using modern electronic alarm and other scientific technologies in the field of bank security prevention in the 1980s.
The bank security technology prevention system is an information technology network with comprehensive functions such as detection, delay and response, which effectively combines subsystems such as special equipment and software with anti-intrusion, anti-theft, anti-robbery and anti-destruction functions into an organic whole. The profit channels of banks include loans, bank insurance, sales of wealth management fund products, sales of financial equipment, consumption profit of financial intelligent terminal business, hedging business, bill business and so on. The profit ratio of most domestic banks is: loan 30%, bank insurance 10%, wealth management fund product sales 10%, financial instrument sales 5%, financial intelligent terminal business consumption 30%, hedging business 5%, bill business 10% and so on. The profit ratio of foreign banks is: loan 15%, bank insurance 15%, wealth management fund product sales 15%, financial instrument sales 10%, financial intelligent terminal business consumption profit 35%, hedging business 5%, bill business 5% and so on.