Tusi

Tusi (Chinese土司, Pinyin tǔsī, W.-G. t'u -ssu, tribal chief / local princes ') and the then named Tusi system, Tusi institution or tribal chief tribal chief system or institution (土司 制度, Tusi Zhidu, English Native chieftain system / indigenous minority officers system) is a system of appointment of chiefs / native princes to Chinese officials in areas of national minorities, which was practiced during the Mongol, Ming and Manchu dynasty in Northwest and Southwest China.