摘要:The development of bank card business has severely challenged the improvement of risk-controlling technology. While assessing risk is the foundation of risk-controlling in bank card business. Presently, domestic banks have set up their customer data base. By analyzing the status of risk assessing in risk-controlling, this article tries to applying Fisher Discrimination Approach to assessing customers’ risk and overcomes the difficulty of determining the influential factors’ share in traditional bank assessing approach.