People of Qi in the Spring and Autumn Period. Tian's name is Rangju. According to the "Historical Biography of Sima Jurong", Yan Ying recommended him to be General Qi Jinggong, defeating Jin and Yan, and regaining the lost land of Qi State, because of his meritorious deeds as Da Sima. King Qi Wei compiled the ancient "Sima Art of War" and attached his work to it, called "Sima Rangju Art of War". Because of the phrase "Sima Rangju is in power in the Sixth Policy of the Warring States Period", some people speculate that the Sima Rangju of Qi Jinggong in the "Historical Records" is the Sima Rang of the King of Qi Min. Ju's misinformation.
Sima Rangju's surname is Tian and his name is Rangju. The Tian family is a prominent family in Qi. The ancestor of the Tian family is named Chen Wan, the son of Chen Ligong. During the time of Qi Huan Gong, civil strife broke out in the country of Chen, and Chen Wan ran to the country of Qi in order to avoid trouble, and changed his surname to Tian.
When Qi Jinggong was in Qi, Jin attacked Acheng and Zhencheng in Qi, while Yan invaded the south bank of the Yellow River in Qi. The Qi army was defeated. Qi Jinggong was very worried about this and had trouble sleeping and eating.
One day, the doctor Yan Ying came to Qi Jinggong quietly and recommended Tian Rangju to him, saying: "Although Tian Rangju was born in the middle of the Tian family, he is convincing in character and deterrence by martial arts. Enemy, I hope the king can try his talents."
So, Qi Jinggong summoned Tian Rangju and talked with him about military affairs. He admired his talents very much, so he appointed him as a general and led the army to fight against the army of Jin and Yan. .