VaR is one of the international mainstream market risk measurement tools and is widely used abroad. With the comprehensive opening of China's financial market, regulators learn from Basel to encourage commercial banks to use VaR model to measure market risks. According to the annual reports of listed banks, China's commercial banks have been constantly learning the methods and modes of market risk management in recent years, and mainly use value at risk, sensitivity analysis, exposure analysis, stress test and other methods in risk measurement methods. The market risk measurement mode and model of large banks have been continuously improved. At this stage, the market risk measurement and management system with VaR as the core has been established.