The Jimi system (Chinese: 羁縻制) or Jimifuzhou (羁縻府州) was a self-rule administrative and political organization system used in China between the 7th century and 10th century. It originated in the Tang dynasty, by the 650s it had reached to its peak and began to decline by the 740s. It was subsequently used in the Song, Mongol Yuan, Ming and Qing dynasties, known as the Tusi system (土司制) until around 1726, when a new civil order under the Qing government was established. It should not to be confused with the tributary system. The term Jimi was first seen in the annotation of Shiji quoted by Sima Zhen from a book of Eastern Han era, which implied to a man directing a horse or ox by the use of rein.