Banks belong to the state's key safety precautions. It has the characteristics of diversified scale, important facilities, complex access, and extensive management, especially as the main circulation place of the current social currency, and the important part of the national economic operation. Its business involves a lot of cash, securities and valuables. Its wealth concentration, the characteristics of strong liquidity to make some of the extreme criminals malicious target. Therefore, we must establish a set of effective security monitoring system, the various business areas to monitor.