Features: political and cultural traditions and long history
Ties tie up - Tusi system is a special political system in which the central dynasty of ancient China granted hereditary offices to the local chiefs of ethnic minorities, who ruled over the local people on behalf of the central dynasty, so as to achieve the peaceful unification of the country. During the period of implementing this system, the chiefs of the ethnic groups in the southwest of China, who were granted the post of tie-up-tuji, implemented the extra-legal system of "ruling according to the customs" on the basis of the law and etiquette of the central dynasty, and eventually formed a unique political and cultural tradition of tie-up-tuji.
The number of Tusi reached more than 3,000 in the Ming Dynasty, the heyday of the Tusi system. After the Qing Dynasty's "land reclassification", many Tusi was abolished for the common people, the original Tusi Si Cheng, government offices, mansions, manor houses, etc. are also most of the gradual abandonment of the dilapidated, and some of them have become ruins that is the site. These ruins of the Tusi after the Cultural Revolution "Four Olds" and other campaigns, the actual preservation of not many.
So, the more complete preservation to the present Tusi remains, quite precious.