Clarify the basic historical facts and restore the true face of history. An in-depth presentation of the Song Dynasty during the period of great changes. Wang Anshi was the most controversial figure in Chinese history in the middle of the Northern Song Dynasty. Some people called him a thief, while others said he was a saint. Darkness and glory were intertwined, and slander and praise were mixed. Nearly a thousand years later, how can we give Wang Anshi a fair evaluation? This book takes Wang Anshi as the main line. While describing and analyzing Wang Anshi himself, it also adds famous figures and historical events of the same period to gain a glimpse of the appearance and characteristics of the history of the Song Dynasty.