This paper points out the security policy of an information switch application on mainframe. The implementation of the security policy of the information switch application is implemented on RACF. Which can raise safety and reliablity of the system.

• 提出大型计算机信息交换系统的安全管理策略，利用RACF软件，在银行卡业务信息交换系统上实施安全管理策略，提高了系统的安全性和可靠性。