Abstract. Domestic and foreign scholars on corporate bonds affine term structure models with varying degrees of research, the results is very rich. We can predict bond forward rates for Treasury bonds, the current yield term structure includes information of long-term maturity structure. For example, if a bond yield curve is steeper than usual, the long maturity bond yields will be reduced over time. This prediction depends only on the relationship between the yield time series behavior, it can extract more information from the current term structure, improve prediction. Research abroad Interest Rate Term Structure affine model are as follows.