The Song Dynasty contracted an alliance with the Liao Dynasty at Chanyuan a thousand years ago, which was a positive and important historical event. By taking advantage of the battle at Chanyuan, ac Zhenzong, Zhao Heng seized the turning point from being at war with take Liao Dynasty to making a compromise with the Liao Dynasty. And he succeeded in carrying out the important strategic policy of restoring good relationship with the Liao Dynasty. Thus, both the two parties were in peaceful coexistence with each other for a long period of one thousand years. The fact that Han reconciled with Fan was well known far and wide in the ancient history. Of course, both of them made me compromise and concessions, and although they both yielded, they did not bring humiliation upon each other. As one of the critical figures of this historical event, Zhao Hang took a series of considerably effective measures in the first year of Jing De. So he was a monarch of courage and insight, of resource and astuteness, and of achievement as well.