Sima first appeared as an official. Horses played an important role in ancient wars in China. When describing a country's military strength, it is called a country of thousands of riders and a country of thousands of riders. Because of this relationship, Sima, the official in charge of horses, is a very important military position.

During the Yin and Shang Dynasties, it was placed in the third place, equivalent to the sixth Qing Dynasty. With Si Tuleideng, Sikong, Shi Si, and Scott, they are also called ENT, in charge of military affairs and military taxes. Spring and Autumn Period and Warring States Period; Emperor Wu of the Han Dynasty set Fu as the general plus sign; Later, it was added to the ancient generals; After the Han dynasty, they were all set up separately, and they all opened houses. After the Sui and Tang Dynasties, it was another name for the history of the Ministry of War.