Guigu 'zi (4th century B.C. -256 B.C.) was a famous ideologist, strategist, strategist and psychologist during the Warring States Period in China. His works were very rich, including: Guigu 'zi: Also known as Benjing, Guigu' zi's representative work includes military tactics, political tactics, resourcefulness, trickery, psychology, social psychology, etc. It is one of the most important military books in ancient China. Guigu 'zi's strategy chapter was a representative work of Guigu' zi. It mainly introduced how to attack the enemy's weakness through strategy to achieve the goal of victory. 3. Guigu 'zi·Guaiqing Chapter: It mainly talked about how to obtain information and formulate strategies by guessing the psychology of others. It was a necessary psychological work for strategists. "Guigu 'zi·Shi Chapter": It mainly introduced how to control the terrain, climate and other natural factors to influence the outcome of the war. It was one of the most important terrain chapters in ancient China. In addition, Guigu 'zi also wrote works such as "Guigu' zi·Biography of the Elephant" and "Guigu 'zi·Ascending and Descending". These works had a profound impact on the political, military, and cultural fields of ancient China.