【摘要】Value at Risk model developed recently is a mathemetical medol to measure and monitor market risk.The article focuses on discussing calculate procedure and calculate method about applying VaR means for the bank loan risk in evaluation,we make clear differentiate both the Bank for International Settlements draw credit risk reserve and VaR means calculate bank loan risk value,find VaR means in application practicality value and extensity perspective in our bank loan risk for evaluation.