Based on the New Keynesian theory, we use the available methods for testing macro models to evaluate a model of China over the period from the first quarter of 1990 to the fourth quarter of 2013. The basic framework of China's economy is running in the number of monetary policy, which measured the importance of the rule of China's macroeconomic volatility. The DSGE model that paper examine here provides a coherent theoretical for studying optimal monetary policy for China.