The story of detachment of women, which is called Niang Zi Jun in Chinese, happened in the Spring and Autumn Period. When Sun Wu when to Wu State to help the king of Wu State to consolidate the monarch and strengthen the military force. Of course, the king of Wu would test his art of war, thus choosing 180 beautiful ladies in the imperial palace for Sun Wu to train. Then, he divided them into two groups, each lead by the two imperial concubines that the King of Wu loved.

However, the two leaders did not follow the order of Sun Wu and Sun gave ordered to punish them to death and appointed someone else. As a result, those beautiful ladies were frightened and began to follow the order of Sun Wu absolutely. Just as those Chinese teachers told you when they teach Mandarin language, the training became in order and reached the standards of the King of Wu. It should be the first sigh of training the detachment of women. Of course, the official appearance of the detachment of women was in the later period.

In the late period of Sui Dynasty, Li Shimin encouraged his father Li Yuan send army to fight against the army of Sui. And three daughters of Li Yuan went back to the hometown Hu County in Shaanxi Province for the purpose of recruiting soldiers by distributing their family property. In addition, they contracted with the local peasant army and combined several scattered insurrectionary army. After a short time, the number of the soldiers expanded to 70 thousand.

In the year of 617, the three daughters lead this army to join forces with the army of Li Shimin in the North of Wei River, indicating the ending day of Sui Dynasty. After Li Yuan became the emperor, three daughters were appointed as Pingyang Princesses and the army they lead was called the detachment of women.

However, the foreign students who study in intensive Mandarin course in China should know the detachment of women with the members of women and strict organization began in the women army in the Taiping Heavenly Kingdom. The women troop at that time was established under the political declaration that men and women are equal. Arranged by the directions and numbers from one to eight, there were totally 40 troops, each of them had 5200 members, making it about 200 thousand soldiers.