Based on the data of bond market in China，this paper studies the impact of intensity and dimension of executive power on the cost of corporate bond financing， and further explores the moderating effect of property right nature and marketization process on the relationship between them. Empirical results show that：（1） with the enhancement of executive power， the cost of corporate bonds will increase. Executive organization power and ownership power are significantly and positively correlated with the cost of corporate bonds，while individual ability power is insignificantly and negatively related to the cost of corporate bonds.（2） Compared to non-state-owned enterprises，the positive correlation between executive power and the cost of corporate bonds in state-owned enterprises is even more significant.（3） In the region with lower marketization progress， the positive correlation between executive power and the cost of corporate bonds is more significant.